WASHINGTON – An intruder with a backpack was arrested after breaching the White House grounds while US President Donald Trump was there, US media said Saturday.

The intruder was arrested without incident and no hazardous materials were found in the backpack.

President Donald Trump, who was in the White House at the time, was not in any danger from the security breach, which occurred around midnight, the cable television network reported.

Mr Trump and Homeland Security Secretary John Kelly were briefed on the incident.

The Secret Service said agents searched the grounds and found “nothing of concern to security operations”.