Police are seeking a man they say is armed and dangerous after a gun was fired a number of times during a robbery that netted a gold necklace. He is Ad-Ham Khamis. 23, shown inset, and police warn the public not to go near him. The robbery occurred Tuesday, August 9, 2016, at 11:50 p.m. near Kingston Road and Galloway Road area. The necklace was stolen from a 31-year-old man. Police have a warrant alleging eight offenses related to robbery and reckless use of a firearm