Cervera said police returned fire, killing the suspect.
Multiple law enforcement agencies including the Federal Bureau of Investigation were working the scene Friday night due to its "size, scope, intensity", Cervera said.
Two veteran detectives and two K-9 officers entered the building and began a shootout with the suspect.
One employee said the office workers were hugging and holding each while one of the employees' desks had barricaded at the door.
The wild shooting, which started shortly after 4p.m., sent terrified co-workers scrambling for cover.
Authorities focused on the victims during the news conference, naming each one as photos of them were projected on a screen along with biographical information. One of the wounded was a police officer who was shot in his bullet proof vest.
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There was one last pivotal moment: Serving for the victory, Kenin faced a break point, but Williams' miscue let it go by. The last player to do so was Williams, who recorded her earliest loss at a major tournament in five years.
"It was a long gun battle between those four officers and the suspect", he said. He gave the latest details on the incident in a news conference.
The suspect was armed with a.45-caliber handgun and a sound suppressor, the police chief said, along with extended magazines that the suspect reloaded as he proceeded.
Also killed was the contractor, Herbert "Bert" Snelling, of Virginia Beach.
Northam said in a statement that he was in Virginia Beach with law enforcement officials.
Democratic presidential hopefuls New Jersey Sen.
Virginia Beach Police Officers huddle near the intersection of Princess Anne Road and Nimmo Parkway following a shooting at the Virginia Beach.
Williams recently held a three-day music festival in the city.
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Special counsel Robert Mueller's investigation into the 2016 presidential election is over, but some people want more. Trump insisted that he's been tough on Russian Federation and that Moscow would have preferred Clinton as president.
Although Republican President Trump has said he supports stronger background checks, he has thus far toed the party line on gun control legislation, leaving Washington deadlocked on how to address frequent mass shootings in the US. The particular building where Friday's shooting occurred houses the Public Utilities Department.
"I never saw him take trash out, never saw him bring groceries in, never saw people coming in or out", the neighbor said.
The school's parking lot was filled with police and civilian vehicles.
Twelve people have been pronounced dead after a man opened fire in a city government building in Virginia Beach on Friday.
The Virginia Beach resident was an engineer who worked 10 years for the city's public utilities department.
The city's mayor, Bobby Dyer, called it "the most devastating day in the history of Virginia Beach".
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But the president seemed surprised when told he wouldn't be rubbing elbows with Meghan. "I didn't know that, no", he said. Still, the Brits wanted to get a load of what he thought of the former American actress's politics.