Workers on bridge at time of collapse, Maryland DOT Secretary says

State contractors working for the Maryland Department of Transportation were on the Francis Scott Key Bridge at the time of its collapse, Maryland officials said Tuesday.

"We know there were individuals on the bridge at the time of the collapse working on the bridge, contractors for us," said Paul Wiedefeld, secretary for the Maryland Department of Transportation. The workers were doing concrete duct repair, he said. 

The bridge collapsed into Baltimore Harbor early Tuesday morning after a cargo ship struck one of its support beams. Rescue and recovery operations are underway, with officials searching for "upwards of seven people," according to Baltimore Fire Chief James Wallace. 

Two people have been pulled out of the water, one in critical condition, Wallace said earlier.

The U.S. Coast Guard is on the scene conducting rescue operations with several law enforcement agencies. 

"The Coast Guard's primary mission right now is search and rescue, looking for any survivors in the water," said Lt. Commander Erin Palmer. 

Palmer said the Coast Guard has three small boats and an 87-foot patrol boat, Mako, at the scene. There is also a helicopter from air station Atlantic City assisting federal, state and local partners on scene with search and rescue operations, Palmer said. 

A facility with mental health professionals has been set up for family members, Wiedefeld said.