A man arrested with a firearm and hollow-tipped bullets outside the elementary school

A New Jersey primary school was locked Thursday afternoon after a man with a loaded handgun and dozens of ammunition cartridges was found in the school parking lot.

Police responded to the Tamaques Elementary School in Westfield, NJ, after receiving a call from the Delaware State Police saying that Thomas J. Wilkie was going to school, according to a release from the Westfield Police Department.

When the police arrived, they found Wilkie in an SUV with a .45-caliber handgun loaded with hollow-point bullets, according to a statement from the Union County Attorney's Office.

Wilkie also had two extra charged clips with him and 130 rounds of ammunition in the trunk of the vehicle.

The Westfield officer said the 46-year-old man from Bear, Delaware, was immediately taken into custody while the building was locked up.

Classes at the elementary school were completed for the day the incident occurred, but extracurricular activities were in progress.

The lock was lifted after a security sweep of the building and perimeter, the police said.

Wilkie is accused of illegal possession of a second-degree weapon, fourth-degree hollow-point bullets and fourth-degree intrusion on the grounds of a school, according to the statement of the prosecutor's office Union County.

Wilkie's father told NJ.com that his son had gone to school because of a problem with a girlfriend or ex-girlfriend who was working there. He also said that Thomas's brother had reported him to the Delaware State Police.

If he is found guilty, he could be sentenced to five to ten years in prison for unlawful possession of a weapon.

His next court appearance is scheduled for June 19.

ABC News & # 39; Matt Foster contributed to this report.