One man is dead and 10 people have been injured in a terrorist attack that saw a van hit pedestrians outside the Muslim Welfare House in Seven Sisters Road.

Armed counter terrorism police are at the scene. They have and cordoned off the area around the mosque and are treating casualties.

It happened as the area was busy with worshippers who had been attending Ramadan night prayers. One man was already in cardiac arrest and receiving first aid to try and save his life when the attack happened. Police do not yet know whether the van crash had any part to play in his death.

A 47-year-old man has been arrested on suspicion of attempted murder.

A Metropolitan Police statement said: “Police were called just after 12.20am to reports of a van in collision with pedestrians. Officers attended alongside other emergency services and found and tended to a number of casualties.

“One man was pronounced dead at the scene. Officers are in the process of informing next of kin. A post mortem examination will be scheduled due course.

“Eight people injured were taken to three separate hospitals; two people were treated at the scene for minor injuries.

“The driver of the van – a man aged 47 – was detained by members of public at the scene and then arrested by police in connection with the incident.”

One pedestrian said he had jumped out the way of the van. The man, who did not want to be named, said: “People were just conversing, talking, just doing what we’re doing. And he just came into all of us. There was a lot of people.”

A Met spokesman said: “At this early stage of this investigation, no other suspects at the scene have been identified or reported to police, however the investigation continues.

“Due to the nature of this incident extra policing resources have been deployed in order to reassure communities, especially those observing Ramadan.”

Any witnesses, or anyone with any information, is asked to contact police on 101,

To give information anonymously call Crimestoppers on 0800 555 111 or visit crimestoppers-uk.org.

Reporter James Morris is at the scene. Follow the live blog at the top of this page for updates.