- Police say they believe there was only one man in the van.
"Due to the nature of this incident, extra policing resources have been deployed in order to reassure communities, especially those observing Ramadan", the police statement said.
Eyewitness Abdiqadir Warra told AFP: "He just drove at people".
The 32-year-old told the Press Association: "There were a lot of people in the street, crossing the street, going to mosque for prayers, for forgiveness, just to pray and go home and eat". "I ran towards my window and people were shouting nervously", she explained, adding that the scene was chaotic, with the wounded asking for help and others trying to figure out what had happened. The driver was taken to hospital as a precaution and will later be subject to a mental health assessment. The British Police has described it as a "major incident".
Witnesses described seeing police giving emergency medical treatment to victims after the incident at 12.20am on Monday in Seven Sisters Road, Finsbury Park.
"Given we are approaching the end of the month of Ramadan and the celebration of Eid with many Muslims going to local mosques, we expect the authorities to increase security outside mosques as a matter of urgency".
"We have already met with the Police, Council and our local MP Jeremy Corbyn".
The Emirates Stadium close by, while further up Seven Sisters Road is the green space of Finsbury Park, which opened in 1869 and gives the area its name.
As with many areas on the fringes of central London, gentrification has seen the arrival of gourmet coffee shops and refurbished bars. Others searched the area with sniffer dogs.
"He must have done it on goal", the Muslim man added. We have a church in one road, an evangelic church in another and a mosque across the road as well.
Part of Seven Sisters Road has been closed as the operation continues.
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Its former imam Abu Hamza was jailed for life in NY on terrorism charges in 2015. The preacher of the mosque is now lodged in Jail in NY for inciting violence in the name of the religion. He was later extradited to the United States.
UK Prime Minister Theresa May said police are treating the incident "as a potential terrorist attack", and has confirmed that counter-terrorism command is leading an active inquiry.
Despite the change in leadership and a new focus on inter-faith relations, the mosque reported it had received a string of threatening emails and letters in the wake of the Paris attacks.
"Muslim communities have been calling for increased action to tackle the growth in hate crime for many years and transformative action must now be taken to tackle not only this incident but the hugely worrying growth in Islamophobia".
Police man a cordon at Finsbury Park where a vehicle struck pedestrians in London Monday, June 19, 2017. Eight injured people were taken to hospitals, and a suspect was arrested.
Board of Deputies of British Jews president Jonathan Arkush condemned the attack, "which appears to be a terrorist incident".
The attacks were a factor in campaigning ahead of the June 8 election, with May criticised for overseeing a drop of 20,000 in the number of police officers in England and Wales as interior minister from 2010 to 2016.
On March 22, a man drove a rented vehicle into pedestrians on Westminster Bridge in London and stabbed a police officer guarding the British parliament to death before being shot dead.
Another witness, Ratib Al-Sulaman, told CNN: "There's a lots of people from Nigeria, from Tunisia from Morocco, from the Arab countries".
On May 22, a suicide bomber killed 22 people at a concert by American pop singer Ariana Grande in Manchester in northern England.