THE BRONX - Police are trying to find a gunman who opened fire in Castle Hill. 

They released a surveillance photo of the suspect, who authorities say was standing in front of a housing complex on Randall Avenue when he showed a gun and fired six shots. 

He's believed to be about 5 feet 11 inches tall and around 180 pounds. 

Anyone with information should call Crime Stoppers at 1-800-577-TIPS