FANWOOD — A Fanwood man who kept police at bay during a eight-hour standoff early Saturday fired at least four shots at the officers, who in turn fired six gunshots at the man during the confrontation, authorities said today.

The man, John Antonucci, 49, was later taken into custody and has been charged with 20 counts of aggravated assault on an officer, including four counts for each of the five officers at the scene, acting Union County Prosecutor Grace Park said in a statement.

Nobody was wounded by the gunshots.

Antonucci, who is being held on $500,000 bail at the Union County jail in Elizabeth, was also charged with three counts of resisting arrest, Park said.

The incident began shortly before 11 p.m. Friday when police responded to reports of shots fired on Locust Avenue and arrived to find Antonucci standing in the window of his house and brandishing a weapon.

Authorities said Antonucci started firing at officers shortly before midnight, and police returned fire.

Officers were able to start negotiations and Antonucci was taken into custody shortly before 7 a.m.

Officers later recovered more than a dozen firearms from the house, all registered to Antonucci.

Two dogs were shot at Antonucci's house, and one of the animals was found on the front lawn, according to a law enforcement source.

Early in the standoff, about 12:30 a.m. Saturday, a teenage girl in the house next to Antonucci’s was walked from her home by police when she began having difficulty breathing when officers entered her home for a better vantage point into the barricaded home, several neighbors said.

Authorities today said the girl was suffering from anxiety and was taken to a local hospital for observation as a precaution.

Fanwood police received operational support from the Union County SWAT unit, Union County Prosecutor’s Office, Union County Police Department, Union County Office of Emergency Management, NJ Transit Police, the Scotch Plains Police Department and the Westfield Police Department.

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