A suspect is still missing after two men shot at each other in a Safeway parking lot in Northeast D.C. Saturday morning, police report.

Police received reports of the shooting on the 1600 block of Maryland Avenue Northeast at about 8:48 a.m. Saturday, said Officer Hugh Carew, a D.C. police spokesman. They arrested 20-year-old Michael Ross, of Northeast, but the other shooter, believed to be an adult black male, has not yet been arrested.