Dozens were killed or injured in mass shootings across the US this weekend

At least 15 people died in shootings in eight states this weekend

And more than 60 others were injured, a spate of gun violence that broke out in the country last month in Buffalo, N.Y. , Texas.

In Pennsylvania, police say more than one shooter opened fire on a crowd on South Street late Saturday, 

Joe's is a renowned Philadelphia drag known for its nightlife, personality and vibe. 

Officials said three people were killed and at least 11 others were injured in the firing. 

Police said that more than one pistol has been recovered from the spot, but no arrest has been made.