Three men have been arrested after Blackfriars Road in London was cordoned off due to a security alert.
A car stopped during the incident is reported to have Belgian number plates.
A police statement said: "At 13:44hrs on Saturday, 21 November, officers stopped a vehicle on Blackfriars Road at the junction with Cambridge Circus.
"The occupants of the vehicle - three men - were arrested on suspicion of theft of a motor vehicle. They currently remain in custody at a south London police station
"Roads have now reopened."
Rumours of a suspicious package and a bomb scare remain unconfirmed at this time.
A police helicopter is also at the scene.
The capital is on high alert after the terror attacks in Paris last week.
More to follow...