The men were said to be part of an unruly flash mob that gathered on South Street.
The mob trashed cars and a convenience store before ending their rampage along South Broad Street.
Trial for alleged flash mob member
PHILADELPHIA - Septemeber 2, 2009 Authorities say 21-year-old Stephen Lyde was one of eight men who severely beat and robbed 54-year-old victim on May 30.
