Four people were arrested after a teenage lifeguard at a Worcester pond was beaten and stabbed, police said.
Worcester officers responded to Bell Pond in the city at about 6:30 p.m. for a report of several males attacking the lifeguard on duty, police said in a statement.
Upon arrival, the suspects were gone but officers found a 17-year-old male lifeguard suffering from stab wounds. The victim was given aid at the scene before being taken to the hospital. His condition was not disclosed.