Surveillance video obtained by ABC Philadelphia affiliate WPVI shows the road buckling under a SEPTA bus. A short time later, with people milling around, that same section of roadway collapsed into a sinkhole, creating a 10-foot void. The source of the sinkhole proved to be a ruptured nearby water main.

Inc. A large sinkhole got covered in snow Monday as it continued to block a Philadelphia street a week after the street collapsed shortly after a SEPTA bus passed. The Philadelphia Water ...

Fewer than 10 minutes before the road surface collapsed, a city bus drove over it. Nobody was injured, but the road remains closed.