An 11th person was killed in as many days in Prince George's County, this time involving a man in a ski mask near the University of Maryland campus in College Park, police said.

Campus police sent an e-mail warning to students, faculty and employees that police were looking for the suspect after the shooting in the 8800 block of 38th Avenue at 11:30 a.m. Tuesday.

County Executive Rushern Baker said he wants to "close the cases" as soon as possible.