Police sources say a gun was recovered following a shooting in East Flatbush early Sunday morning.
It happened just before 3:45 a.m. near Lucky 7 Deli & Grill, located at 1925 Nostrand Ave. Sources close to the investigation say police have a person of interest in custody.
According to the NYPD, a 20-year-old man suffered a gunshot wound to the hand…