A man was beat with a baseball bat during an attack in Brooklyn, police say. 

It happened Sunday around 9 a.m. on Albany Avenue.

Police say the 48-year-old victim was approached from behind and struck in the head with a baseball bat. The victim fell to the ground, and the suspect continued beating him with the bat, striking him in the head and body before running away, according to police.

The victim was transported to Kings County Hospital where he is still listed in critical condition. 

Police have released surveillance images of the suspect they describe as being 30 years old, 6'2'' tall with a heavy build and a dark complexion. He was last seen weaing a gray hoodie and gray sweatpants. 

Anyone with information is asked to call Crime Stoppers at 1-800-577-TIPS.