‘Agents ushered press standing outside into the briefing room without providing further details at around 11:30 a.m.’

By Joe Kovacs

The White House North Lawn is back open after a 30-minute lockdown Tuesday as someone threw an object over the fence, prompting security to order news reporters inside the president’s residence for their own protection.
It turns out the object thrown over the fence may have been a cell phone.
White House correspondent Kimberly Halkett cited White House Press Secretary Karoline Leavitt saying: “Someone (presumably a tourist) threw their phone over the fence (of the White House).”