Montgomery teen with PTSD goes missing in Panama City, Fla.

PANAMA CITY, Fla. (WLS) -- A local teen has disappeared after last being seen on a Florida beach in broad daylight.

The Panama City Beach Police Department is asking for the public's help in locating 17-year-old Andrea Brock, of Montgomery, Ill.

Andrea was last seen at the Boardwalk Beach resort at 9600 South Thomas Drive on Tuesday around 1:45 p.m. beachside. Andrea was seen wearing a black bathing suit.

Andrea suffers from post-traumatic stress disorder.