WASHINGTON, Jan. 28 (Xinhua) -- A bridge in Pittsburgh, in the U.S. state of Pennsylvania, collapsed early Friday morning, authorities said.
Emergency personnel are responding to "a confirmed bridge collapse" near Forbes and Braddock avenues in east Pittsburgh, according to the Pittsburgh Public Safety department.
The agency also tweeted a "gas line has been cut" after reporting "there is a strong smell of natural gas in the area."
It added that updates on injuries will be provided later and that the Red Cross has been contacted for victim assistance.
Several cars and a bus were involved in the collapse, photos of the scene showed.
U.S. President Joe Biden is scheduled to visit Pittsburgh later in the day to discuss infrastructure.