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London Bridge was the scene of an as yet unverified “incident” on Saturday, according to media reports, with a car reportedly having mowed down several pedestrians.

Several British news outlets, including The Spectator and the BBC, cited eyewitness reports that a van accelerated, jumping off the road and hitting several people on the bridge. Authorities could not immediately confirm the nature of the incident.

Britain is still reeling from a terror attack at a Manchester concert that left dozens dead and put the country on a high state of alert ahead of Parliamentary elections next week.