LEWISTON — Police are investigating a drug overdose death in a Burger King bathroom.

Lt. Adam Higgins said the call came in at 1:54 p.m. Wednesday from the Lisbon Street restaurant.

A 31-year-old man overdosed on heroin, police said.

“At this time, it looks like nothing suspicious,” he said. “No other suspects involved. He was in there alone with the door locked.”

This story has been updated.