(CNN) — A Maryland TV station was evacuated Tuesday as police looked for a man who may have smashed a truck through the station lobby Tuesday, authorities said.
The official Twitter account of the Baltimore County Public Safety department said the first call from station WMAR in Towson was received at 11:45 a.m. There was a report of a disturbance, with a man banging on the door trying to get in.
Within minutes, authorities said, there was another call about a truck in station lobby.
When officers arrived, the suspect was not inside the vehicle, police said.
The public safety department said there was no confirmation the suspect is armed or that shots were fired.
The motive is unknown.
The building was evacuated as officers searched for the suspect. No injuries were reported.
The WMAR Twitter account reported that the building was on lock down.
™ & © 2014 Cable News Network, Inc., a Time Warner Company. All rights reserved.