A man was stabbed early Thursday morning at the corner of St. Marks Avenue and Flatbush Avenue in Park Slope, police say.

According to the NYPD, the 33-year-old victim was stabbed in the back just before 12:45 a.m. He was taken to Methodist Hospital by EMS and is currently in stable condition.

Police say the man is not cooperating with investigators. At this time, it’s unclear what he was stabbed with. In video from the scene, a broken glass bottle with blood on it could be seen in the street, but detectives have not confirmed if it’s connected to the attack.

No arrests have been made and there is no suspect description available yet. The investigation is ongoing.