Police are searching for a suspect who assaulted a 64-year-old man with a rock at the H Avenue subway station on Saturday.

The NYPD says the two men had a verbal altercation when they were waiting for the D Train to approach on the southbound platform. This is when the suspect began hitting the victim in the head with a rock, knocking him unconscious. 

The suspect is described to be in his 30s, about five feet, nine inches tall and 170 pounds. 

News 12 was told the victim is in stable condition. 

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