Six windows at Trump Tower were damaged after someone threw rocks at the hotel Wednesday evening on the Near North Side.
About 4:45 p.m., officers responded to a call of criminal damage to property at the hotel in the 400 block of North Wabash Avenue, Chicago police said.
A witness told officers a male was throwing rocks and damaged six different windows at the hotel, police said.
The vandal fled north on Rush Street and no one was in custody.