A giant gas-related explosion in San Bruno “Thursday evening left a giant crater and sent flames tearing through the middle-class neighborhood of 1960s-era homes in hills overlooking San Francisco, the bay and the airport.” Video after the break. Click here for more pictures.

Pacific Gas and Electric Co. President Chris Johns said Friday morning a steel gas pipe ruptured about three feet underground just before 6:30 p.m Thursday, but crews still haven’t been able to determine the cause of the rupture or the ensuing blast because they can’t get close enough.

[via Yahoo]