Philadelphia Building Collapse

• Six dead in Philadelphia building collapse: Mayor

  Philadelphia's mayor says the collapse of a downtown building that was being demolished has killed six people.

• One dead in Philadelphia building collapse, others pulled from rubble

  A building collapsed in downtown Philadelphia on Wednesday, killing a 35-year-old woman and injuring 13 other people under in mountains of crushed concrete and splintered wood, officials said.

• Philadelphia building collapses; 13 injured, one trapped

  Thirteen people are injured and at least one is still trapped in the rubble after a building collapse on the edge of downtown Philadelphia.