The US Secret Service confirmed that law enforcement had shot a person blocks away from the White House, prompting the president to abruptly end a press briefing as he was escorted to the Oval Office.
He returned several minutes later announcing that a person had been shot and sent to a nearby hospital
The president continued to falsely claim that children are nearly immune from coronavirus, despite a new report that found nearly 100,000 young people were infected within the last two weeks of July alone, as schools prepare to open across the US.
Last week, Facebook and Twitter removed videos shared by the president in which he claimed that children are "virtually immune" from Covid-19, though Centres for Disease Control and Prevention reports show that children are as vulnerable to being able to transmit the virus as adults.
As lawmakers debate additional emergency relief legislation for millions of Americans during a looming eviction crisis and mass unemployment, the president has faced intense scrutiny from Democrats challenging the constitutionality of a series of executive orders that undermine congressional efforts.
Treasury Secretary told reporters that states can access extended unemployment relief "in the next week or two" despite governors signalling that the federal government, not the states, should be responsible for the additional funds.
Secretary Mnuchin also said he has not met with Democrats to repair the stalled emergency relief funding talks, despite House Democrats authoring and passing legislation to do so and meeting Republican resistance, including Senate Majority Leader Mitch McConnell's accusation that Democrats are "obstructing" relief efforts.
"If they want to meet and want to negotiate and have a new proposal, we'll be happy to meet," Mr Mnuchin said.
Follow live coverage as it happened
Please allow a moment for our liveblog to load