Underground explosion sends manhole cover flying in South Philadelphia

SOUTH PHILADELPHIA (WPVI) -- An underground explosion rattled a block in South Philadelphia.

It happened at 1 a.m. Saturday at the intersection of South 16th and McKean streets.

Police and fire crews responded to the scene after reports of a loud noise and smoke pouring from a manhole.

PICTURES: Underground explosion sends manhole cover flying in South Philadelphia

Apparently the force of the blast sent the manhole cover flying.

Fortunately, no one was hurt, and the power never went out.

PECO is investigating.