SOUTHWEST PHILADELPHIA - A 41-year-old man was injured in a drive-by shooting in Southwest Philadelphia.The shooting happened on the 1600 block of South 51st Street Saturday afternoon, just after 1:30, according to officials.The 41-year-old victim was outside when someone in a silver sedan drove by and shot him.The driver of the sedan then drove off.Medics took the man to Penn Presbyterian Medical Center where he was treated for his injuries.