The building's systems had detected an "air quality issue", a Pentagon spokesperson said, prompting a response from hazmat teams.
Most Recent Articles
Counter-terrorism police leading school stabbing inquiry
Two pupils, both 14, and a teacher were hurt in the attack at a school in Manchester.
Dozens of children put at risk after gender care failures at GP clinic, inquiry finds
A safety inquiry into the WellBN clinic in Brighton found 78 children were potentially harmed after being given gender medication without proper checks.
Catch up on the World Cup without any spoilers
It is a dilemma plenty of fans in the UK will have - and we are giving you the chance to follow the World Cup without spoilers.
Child-rape sentence reignites scrutiny of UK high street mini-marts
Rapist Bawan Harwe lured underage girls back to his flat with the promise of free vapes and cash.
BBC tours UFC arena at White House
White House reporter Bernd Debusmann gets a preview of the temporary structure that will host a UFC fight 14 June.
Three ships attacked by the US in three days: What we know
Three tankers have been struck by the US military over the past three days, killing at least three people.
Ryanair investigated over charging parents to sit with children
The UK's competition regulator is investigating the airline over charges it imposes on parents to sit next to their child.
Why defence funding deal offered to Healey wasn't enough to keep him
The defence secretary was pressing the prime minister for a larger increase in defence spending than he was offered, the BBC understands.
Three jailed for violence at Henry Nowak police protest
Disorder broke out in Southampton close to where the 18-year-old student was murdered.
Jilted bride who went ahead with wedding gets engaged
Rather than cancel the £12,000 big day, Kayley Stead went ahead with it, posting videos and photos online.
Police officer, 19, dies from crash injuries
Jess Turnbull "had so much to look forward to in her career and her life", the chief constable says.
Police officer, 19, dies from crash injuries
Jess Turnbull "had so much to look forward to in her career and her life", the chief constable says.
Weight-loss drug Wegovy to be available in pill form in UK for first time
Manufacturer Novo Nordisk says a daily tablet of the drug could be more convenient for some people than weekly injections.
Weight-loss drug Wegovy to be available in pill form in UK for first time
Manufacturer Novo Nordisk says a daily tablet of the drug could be more convenient for some people than weekly injections.
Donaldson tells trial letter to alleged victim 'absolutely not' about abuse
Sir Jeffrey Donaldson, the former DUP leader, is on trial for 18 sex abuse charges, including one count of rape, all of which he denies.
Artan to referee Uefa Super Cup after losing World Cup spot
Somali referee Omar Artan is appointed to take charge of the Uefa Super Cup match between Paris St-Germain and Aston Villa later this summer after being denied a spot at the World Cup.
Man City second offer for Anderson worth £120m rejected
Elliot Anderson would prefer a move to Manchester City over Manchester United should a deal be agreed with Nottingham Forest, but a second offer has been rejected.
'I haven't left my house, I'm scared' says Mean Girls actor as Belfast shows cancelled over violence
The Mean Girls musical's run in Belfast is cancelled following disorder in the city.
Fatigue? The World Cup players who have had toughest seasons
BBC Sport examines which World Cup teams and players have played the most minutes since last summer, when the Club World Cup was kicking off in the United States.
Asylum appeal backlog at record high, new figures show
While the government has cut the backlog of cases waiting for a decision, the number of appeals has risen.