BROOKLYN - Investigators have released photos of a man wanted for attacking a woman with a block of ice this winter. 

According to police, the suspect hit the 28-year-old victim in the head with ice taken from the street back on Feb. 22. 

It happened as the woman was walking up the stairs from the Utica Avenue "A" and "C" line subway station. She was treated for a concussion. 

The man is believed to be about 5 feet 10 inches tall and 140 pounds. Anyone with information should call Crime Stoppers at 1-800-577-TIPS