PORTLAND — Portland police are searching for a man who threatened two store clerks with a gun and robbed a Subway sandwich shop Wednesday night.

Police say the man entered the shop at 296 St. John St. at about 9:20 p.m., demanded cash and ran off with an undisclosed amount.

Police say the man was wearing a black ski mask, a dark hooded sweatshirt and khaki pants. He is described as a white man, about 6 feet tall with a medium build.