BOSTON — Authorities say seven people have been injured in an apparent fight in Boston's Theater District, and police are looking for a suspect.The Boston Globe (http://bit.ly/2ctOTJX ) reports that police Superintendent Bernard O'Rourke said officers responded to a report of a fight about 2:15 a.m. Sunday in the district, where bars and restaurants cater to night-life crowds and had just closed.Police say people were stabbed with knives or bottles.