Authorities investigate after a Port Authority bus was caught in a sinkhole in downtown Pittsburgh on Monday, Oct. 28, 2019. The Port Authority of Allegheny County says the lone passenger is being treated Monday morning for minor injuries. (Darrell Sapp/Pittsburgh Post-Gazette via AP)
Pittsburgh police officers stand near a Port Authority bus that had fallen into a sinkhole along 10th Street and Penn Avenue in Pittsburgh on Monday, Oct. 28, 2019. The bus and a car fell in the sinkhole shortly before 8 a.m. One person was taken to the hospital for a minor injury. (Kristina Serafini/Pittsburgh Tribune-Review via AP)
PITTSBURGH The front of a city bus is up in the air after a sinkhole opened under it during rush hour in downtown Pittsburgh.