It's reported an intruder has been arrested after entering the White House - while President Trump was inside.
US media claims a man carrying a backpack was detained and taken into custody.
The Secret Service say the breach happened just before midnight, local time.
No hazardous materials were found following searches of the grounds and the bag.
Donald Trump said the Secret Service did a 'fantastic job' in arresting the intruder.
Sky's Ashish Joshi reports from Washington: