The Imperial War Museum was evacuated after a man brought in WWII military items.
Police were called to the London landmark around 2.20pm to reports that a man had brought in “suspected ordnance”.
The museum then reopened before closing at 6pm as usual.
A Met Police spokesperson said: “Police were called at about 2.20pm on Monday, March 10, to Lambeth Road, Kennington, following reports that a man had attended with a number of items of militaria, including suspected ordnance.
“Emergency services attended and assessed the items. The incident has now been stood down.”
An Imperial War Museum spokesperson said: “At 2.45pm on Monday, IWM London was evacuated at the request of the Metropolitan Police after a member of the public brought a Second World War era object into the museum.
“IWM London was temporarily closed while the police were on site. The museum has now reopened to visitors.”
