Officers from the Met Police are on scene at Victoria Embankment following reports of a suspicious vehicle.
Road closures are in place in the area and on surrounding routes.
Officers are ordering members of the public to clear Westminster bridge following the closure and cordoning off of the Embankment
Fire crews from London fire brigade have also been mobilised to the incident
The Metropolitan Police said that they were called at 3.15pm today.
The disruption has also closed Westminster Bridge as well as a section of river.
The public are being held behind a cordon at Parliament Square
UPDATED: 4.40pm The incident in Victoria Embankment has now concluded. The vehicle has been deemed non-suspicious. All roads will now be reopened.