Suffolk County Police Sixth Squad detectives are investigating a stabbing that seriously injured a man in Farmingville last night.

A small group of men entered El Charro Restaurant, located at 359 Horseblock Road, and became involved in an altercation with two brothers who had been sitting at the bar at approximately 11 p.m. During the fight, one of the newly arrived men pulled a knife and stabbed one of the brothers in the abdomen before fleeing the scene.

Both brothers were transported to a local hospital. The stabbing victim is in serious condition. His brother was treated for non-life-threatening injuries.

Detectives are asking anyone with information on the incident to contact the Sixth Squad at 631-854-8652 or Crime Stoppers at 800-220-TIPS. Calls with remain confidential.