16 Injured in Roof Collapse at University of Pittsburgh Party

A rooftop at a crowded St. Patrick's Day celebration gave way, injuring students and prompting safety warnings.

A roof collapsed during a St. Patrick's Day party near the University of Pittsburgh, injuring 16 people, including three seriously.
The incident occurred on Semple Street in Oakland, where 300 to 500 students had gathered in a courtyard for the celebration.
Video footage shows over 20 people standing on the roof before it gave way, plunging them onto partygoers below.
Injuries ranged from concussions to arm and leg fractures, with all victims expected to survive, according to officials.
The University of Pittsburgh and city authorities are investigating the collapse, and the damaged porch has been condemned while the building was deemed structurally sound.