ROBBERY ON RIVERSIDE

a 17-year-old boy was robbed at knifepoint while walking a friend home on dec. 28. police said that at 11:30 p.m. on the northeast corner of riverside drive and west 107th street, two muggers wearing hooded jackets and gray sweats approached the boys. one brandished a knife and reportedly said, "give me your money or i'm gonna stab you." the thieves stole two wallets, $27 and a blackberry phone, according to cops. a 17-year-old male was arrested for the robbery on jan. 4, 2009.