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The Metropolitan Police has confirmed it is treating a shooting outside the UK parliament as a terrorist incident “until we know otherwise”.
In a statement the police urged people to avoid Parliament Square, Whitehall, Westminster & Lambeth Bridge, parts of Victoria Street and Victoria Embankment.
We thank the public for their assistance and urge people to remain calm, be alert and vigilant.
The Houses of Parliament remain under security lockdown after it was confirmed that a police officer was stabbed outside the entrance to Parliament and a number of pedestrians hit by a car on Westminster Bridge.
Prime minister Theresa May is understood to be safe, having been evacuated from the site by car.