(CNN)The shooter who opened fire indiscriminately in a Virginia Beach city building Friday afternoon, killing at least 11 people and sending six others to the hospital, was a disgruntled employee, a Virginia government source briefed on the investigation told CNN.

The shooter died after a gunfight with police.
Police Chief James Cervera told reporters Friday night the gunman was a public utilities worker.
“This is the most devastating day in the history of Virginia Beach,”