PINE LAWN, Mo. (AP) — Authorities in the St. Louis County town of Pine Lawn are searching for a teenager who allegedly pulled a gun on a police officer. The Pine Lawn officer was working a secondary job at a skating rink last night when he heard gunshots from across the street. The officer was confronted by a teenager as he walked up the street. Police say the teenager pointed a gun at the officer who fired two shots at the suspect. The officer was unharmed.