The Savannah-Chatham police department arrested a 15-year-old boy for armed robbery at 3:15 p.m. Wednesday near the Truman Parkway overpass at Bee Road and East Anderson Street.The suspect, armed with a handgun, reportedly robbed a 17-year-old male who was on his way home from school, said Sonny Cohrs, spokesman for Savannah-Chatham police. The suspect was apprehended in the 1100 block of East 32nd Street after a brief pursuit. The teen was transported to the Regional Youth Detention Center without further incident, Cohrs said.