Twelve people were killed after a long-time employee "began to fire indiscriminately at victims" in a Virginia Beach public utility department, CNN reported citing local Police Chief James Cervera.

The gunman who went on a deadly shooting spree on 31 May has been identified as DeWayne Craddock, an engineer for the city, the police said in a statement. The gunman died after a shootout with the police.

"Craddock had been employed with the city of Virginia Beach for the past 15 years as an engineer", Police Chief James Cervera said.

According to the police, additional weapons were recovered at the scene of the incident and at Craddock's home.

Virginia Beach killer of 12 people. His name is Dewayne Craddock pic.twitter.com/bJzSwDCjuh — KenMatthews (@KenMatthews) 1 июня 2019 г.

​"We have recovered a 45-caliber handgun with multiple extended magazines that were emptied. The suspect was reloading the extended magazines in that handgun, firing at victims throughout the building and at our officers", the police chief added.

READ MORE: Twelve Killed, Several Wounded in Virginia Beach Mass Shooting (VIDEO, PHOTOS)

During a press conference, Virginia Governor Ralph Northam extended his condolences to the families of the victims, while the city's mayor, Bobby Dyer, called the incident a "senseless crime" and the local community's "the darkest hour".

On the afternoon of 31 May, DeWayne Craddock killed 12 people and injured six at the Virginia Beach Municipal Centre before being killed by police.