BREAKING

Worker missing after drill rig topples over at Sky Harbor Airport

Officials continue to search May 23, 2018, for a missing drill-rig worker who is believed dead after a collapse Monday morning.
Officials continue to search May 23, 2018, for a missing drill-rig worker who is believed dead after a collapse Monday morning.
Phoenix Fire Department
Officials continue to search May 23, 2018, for a missing drill-rig worker who is believed dead after a collapse Monday morning.
Officials continue to search May 23, 2018, for a missing drill-rig worker who is believed dead after a collapse Monday morning.
Phoenix Fire Department
Crews attempt to clear the collapsed equipment on May 22, 2018, where a worker is believed dead following a work-site incident at Phoenix Sky Harbor International Airport the day before.
Crews attempt to clear the collapsed equipment on May 22, 2018, where a worker is believed dead following a work-site incident at Phoenix Sky Harbor International Airport the day before.
Nick Oza/The Arizona Republic
Crews attempt to clear the collapsed equipment on May 22, 2018, where a worker is believed dead following a work-site incident at Phoenix Sky Harbor International Airport the day before.
Crews attempt to clear the collapsed equipment on May 22, 2018, where a worker is believed dead following a work-site incident at Phoenix Sky Harbor International Airport the day before.
Nick Oza/The Republic
Crews attempt to clear the collapsed equipment on May 22, 2018, where a worker is believed dead following a work-site incident at Phoenix Sky Harbor International Airport the day before.
Crews attempt to clear the collapsed equipment on May 22, 2018, where a worker is believed dead following a work-site incident at Phoenix Sky Harbor International Airport the day before.
Nick Oza/The Republic
Crews attempt to clear the collapsed equipment on May 22, 2018, where a worker is believed dead following a work-site incident at Phoenix Sky Harbor International Airport the day before.
Crews attempt to clear the collapsed equipment on May 22, 2018, where a worker is believed dead following a work-site incident at Phoenix Sky Harbor International Airport the day before.
Nick Oza/The Republic
Crews attempt to clear the collapsed equipment on May 22, 2018, where a worker is believed dead following a work-site incident at Phoenix Sky Harbor International Airport the day before.
Crews attempt to clear the collapsed equipment on May 22, 2018, where a worker is believed dead following a work-site incident at Phoenix Sky Harbor International Airport the day before.
Nick Oza/The Republic
Crews attempt to clear the collapsed equipment on May 22, 2018, where a worker is believed dead following a work-site incident at Phoenix Sky Harbor International Airport the day before.
Crews attempt to clear the collapsed equipment on May 22, 2018, where a worker is believed dead following a work-site incident at Phoenix Sky Harbor International Airport the day before.
Nick Oza/The Republic
Crews attempt to clear the collapsed equipment on May 22, 2018, where a worker is believed dead following a work-site incident at Phoenix Sky Harbor International Airport the day before.
Crews attempt to clear the collapsed equipment on May 22, 2018, where a worker is believed dead following a work-site incident at Phoenix Sky Harbor International Airport the day before.
Nick Oza/The Republic
Crews attempt to clear the collapsed equipment on May 22, 2018, where a worker is believed dead following a work-site incident at Phoenix Sky Harbor International Airport the day before.
Crews attempt to clear the collapsed equipment on May 22, 2018, where a worker is believed dead following a work-site incident at Phoenix Sky Harbor International Airport the day before.
Nick Oza/TheRepublic
Crews attempt to clear the collapsed equipment on May 22, 2018, where a worker is believed dead following a work-site incident at Phoenix Sky Harbor International Airport the day before.
Crews attempt to clear the collapsed equipment on May 22, 2018, where a worker is believed dead following a work-site incident at Phoenix Sky Harbor International Airport the day before.
Nick Oza/The Republic
Crews attempt to clear the collapsed equipment on May 22, 2018, where a worker is believed dead following a work-site incident at Phoenix Sky Harbor International Airport the day before.
Crews attempt to clear the collapsed equipment on May 22, 2018, where a worker is believed dead following a work-site incident at Phoenix Sky Harbor International Airport the day before.
Nick Oza/The Republic
Investigators look down at a toppled drill rig that was being used in the construction of the Sky Train guideway system at Sky Harbor International Airport Monday, May 21, 2018, in Phoenix. The Phoenix fire department said one person is unaccounted for and their condition is unknown at this time due to the rig being on its side.
Investigators look down at a toppled drill rig that was being used in the construction of the Sky Train guideway system at Sky Harbor International Airport Monday, May 21, 2018, in Phoenix. The Phoenix fire department said one person is unaccounted for and their condition is unknown at this time due to the rig being on its side.
Matt York/AP
Investigators look down at a toppled drill rig that was being used in the construction of the Sky Train guideway system at Sky Harbor International Airport Monday, May 21, 2018, in Phoenix. The Phoenix fire department said one person is unaccounted for and their condition is unknown at this time due to the rig being on its side.
Investigators look down at a toppled drill rig that was being used in the construction of the Sky Train guideway system at Sky Harbor International Airport Monday, May 21, 2018, in Phoenix. The Phoenix fire department said one person is unaccounted for and their condition is unknown at this time due to the rig being on its side.
Matt York/AP
A plane takes off above a toppled drill rig that was being used in the construction of the Sky Train guideway system at Sky Harbor International Airport Monday, May 21, 2018, in Phoenix. The Phoenix fire department said one person is unaccounted for and their condition is unknown at this time due to the rig being on its side.
A plane takes off above a toppled drill rig that was being used in the construction of the Sky Train guideway system at Sky Harbor International Airport Monday, May 21, 2018, in Phoenix. The Phoenix fire department said one person is unaccounted for and their condition is unknown at this time due to the rig being on its side.
Matt York/AP
Construction workers and airport personnel stand near a toppled drill rig that was being used in the construction of the Sky Train guideway system at Sky Harbor International Airport Monday, May 21, 2018, in Phoenix. The Phoenix fire department said one person is unaccounted for and their condition is unknown at this time due to the rig being on its side.
Construction workers and airport personnel stand near a toppled drill rig that was being used in the construction of the Sky Train guideway system at Sky Harbor International Airport Monday, May 21, 2018, in Phoenix. The Phoenix fire department said one person is unaccounted for and their condition is unknown at this time due to the rig being on its side.
Matt York/AP
A toppled drill rig that was being used in the construction of the Sky Train guideway system lies it's side at Sky Harbor International Airport Monday, May 21, 2018, in Phoenix. The Phoenix fire department said one person is unaccounted for and their condition is unknown at this time due to the rig being on its side.
A toppled drill rig that was being used in the construction of the Sky Train guideway system lies it's side at Sky Harbor International Airport Monday, May 21, 2018, in Phoenix. The Phoenix fire department said one person is unaccounted for and their condition is unknown at this time due to the rig being on its side.
Matt York/AP
Phoenix Fire Department rescue crews were at the scene of a toppled drilling rig at Sky Harbor Airport May 18, 2018. One man was believed to be trapped in a hole.
Phoenix Fire Department rescue crews were at the scene of a toppled drilling rig at Sky Harbor Airport May 18, 2018. One man was believed to be trapped in a hole.
Nathan J. Fish/The Republic
Crews attempt to clear the collapsed equipment on May 22, 2018, where a worker is believed dead following a work-site incident at Phoenix Sky Harbor International Airport the day before.
Crews attempt to clear the collapsed equipment on May 22, 2018, where a worker is believed dead following a work-site incident at Phoenix Sky Harbor International Airport the day before.
Phoenix Fire Department
Crews attempt to clear the collapsed equipment on May 22, 2018, where a worker is believed dead following a work-site incident at Phoenix Sky Harbor International Airport the day before.
Crews attempt to clear the collapsed equipment on May 22, 2018, where a worker is believed dead following a work-site incident at Phoenix Sky Harbor International Airport the day before.
Phoenix Fire Department
Crews attempt to clear the collapsed equipment on May 22, 2018, where a worker is believed dead following a work-site incident at Phoenix Sky Harbor International Airport the day before.
Crews attempt to clear the collapsed equipment on May 22, 2018, where a worker is believed dead following a work-site incident at Phoenix Sky Harbor International Airport the day before.
Phoenix Fire Department
Crews attempt to clear the collapsed equipment on May 22, 2018, where a worker is believed dead following a work-site incident at Phoenix Sky Harbor International Airport the day before.
Crews attempt to clear the collapsed equipment on May 22, 2018, where a worker is believed dead following a work-site incident at Phoenix Sky Harbor International Airport the day before.
Phoenix Fire Department
Crews attempt to clear the collapsed equipment on May 22, 2018, where a worker is believed dead following a work-site incident at Phoenix Sky Harbor International Airport the day before.
Crews attempt to clear the collapsed equipment on May 22, 2018, where a worker is believed dead following a work-site incident at Phoenix Sky Harbor International Airport the day before.
Phoenix Fire Department