Arlington, MA — Emergency crews conducted a water rescue at Mystic Lake this morning of a man who allegedly was trying to swim while under the influence of drugs.

Arlington Police Chief Frederick Ryan announced Wednesday that officers and the Arlington Fire Department were dispatched to the area of Lake Shore Drive at 10:35 a.m. and heard a man yelling for help in the middle of the lake. When emergency crews arrived in a rescue boat, the man was found naked in the water, according to police.