Updated: Alleged Napper Tandy's Shooter in Custody

Update: January 6, 7:30 p.m.

Suffolk County Police arrested Steven Reilly Jr., of Fort Salonga, Monday in Sunday night's shooting at Napper Tandy's bar in Northport, which injured a 21-year-old East Northport man in the leg. 

The 39-year-old was charged with assault in the second Degree, criminal possession of a weapon in the second degree and criminal use of a firearm in the second degree. He will be held overnight at the Second Precinct for his arraignment tomorrow at First District Court in Central Islip.

Update: January 6, 6:32 p.m.

Northport Village Police have identified Steven Reilly, of Fort Salonga, as the suspect in the shooting at Napper Tandy's bar Sunday night. 

Suffolk County Police Department, who is leading the investigation, has only confirmed that the suspect is in custody. Suffolk County police have not commented on charges or said if an arrest was made. The victim has not yet been named.

Update: January 6, 2014 at 1:43 p.m.

Suffolk County police confirmed that the suspect in the Sunday night shooting at Napper Tandy's bar in Northport is now in custody. 

The police department has not yet publicly identified the alleged shooter.

Update: January 6, 2014 at 11:25 a.m.

Northport Village police confirmed Monday that a 21-year-old man was shot in the upper left leg inside of Napper Tandy's bar in Northport Sunday at 10:38 p.m. 

Village police assisted the Suffolk County Police Department and secured the location, but the suspect had already fled upon their arrival, officials said. Police said that the shot was fired after the suspect and victim had an altercation within the bar.

The suspect is described as a white male, 35-40 years of age and was said to have fled in a white Ford Taurus. 

This incident is being investigated by this department in conjunction with the Suffolk County Police Homicide Squad and the Suffolk County Police Second Precinct. Detective Squad. 

Some initial reports rumored that the suspect was a New York State trooper, however, police confirmed that those reports are false and that no police, either currently employed or retired, were involved in the shooting.

January 5, 2014 at 11:30 p.m.

Suffolk County Police responded to a report of a shooting at Napper Tandy's, on Laurel Avenue in Northport, Sunday around 10:30 p.m.

Police confirmed that there was one victim, who suffered non-life threatening injuries, and was taken to Huntington Hospital for medical care.

Officials were not able to provide further details about the incident at the time of reporting.

Second Squad detectives are currently investigating the shooting.

This is a breaking news story and will be updated as more information becomes available.