FOX 29: Near Fairmount Park, around 34th and Huntingdon in North Philadelphia, police sources say a 50-year-old man was knocked from his bicycle, by a 13 year old, 15 year old and a 16 year old. They punched, kicked and stomped in the man in the head. His bike and watch stolen and he ended up in Temple University Hospital. People there are worried that teens flushed out of Center City and University City will attack elsewhere. Then at 12:40 a.m. on Sunday, the second attack was at 47th and Walnut, just five blocks outside the crackdown zone. A 22-year old man was walking alone when jumped by five teens who were 14 and 15 years old but sources tell Fox 29 they were already being followed by plains clothes officers who broke it up and took down four of the kids. MORE