An off-duty Newark police lieutenant fatally shot his estranged wife in Jefferson late Sunday and another man was seriously injured, authorities said.

The Morris County Prosecutor's Office confirmed Monday that Christine Formisano, 37, was killed and a 40-year-old man was shot multiple times and seriously wounded Sunday night on Mirror Place.

Christine Formisano was found dead on the front porch steps of a home down the street, the Prosecutor's Office said.

Want more of the breaking news you need? Sign up for APP.com's Daily Briefing newsletter today.

John Formisano, a 24-year veteran of the Police Department, surrendered during a motor vehicle stop at 1:30 a.m. on Foxcroft Drive in Livingston, 30 miles from the crime scene, Livingston police said. He was turned over to the Morris County Prosecutor's Office. The gun believeda victim until I killed her'

More:Seidle children lawsuit: third attempt to claim police wrongdoing

DiGennaro said the couple's two children were not injured but declined to identify their current location.

Jefferson Mayor Eric Wilsusen said the children were being cared for by members of their immediate family.

"This is a highly unusual event for our community," said Wilsusen, who visited the scene Monday morning. "Our thoughts and prayers go out to the family of the victim as well as for the young children who were apparently home at the time. Many in the community have reached out to my office offering assistance to the family."

Civil Service Commission minutes show Formisano was suspended by his department for "care of property and neglect of duty" in 2000. The 35-day suspension was later reduced