A man was arrested after a car collided with security barriers outside London's parliament building and a number of pedestrians were injured, police said on Tuesday. Police are treating the incident a terrorist attack at this time.
U.S. President Donald Trump was quick to tweet a response, writing: "Another terrorist attack in London...These animals are crazy and must be dealt with through toughness and strength!"
Police said a silver Ford Fiesta had collided with a number of cyclists and pedestrians before crashing into barriers outside the Houses of Parliament.
"The driver of the car, a man in his late 20s, was arrested at the scene by armed officers," police said in a statement. "He was arrested on suspicion of terrorist offences. There was nobody else in the vehicle, which remains at the scene and is being searched. No weapons have been recovered at this stage."
Investigators said they believe the man deliberately drove into the barrier. "Our priority now is to formally establish the identity of the suspect and establish his motivation if we can. He is not currently cooperating," London Assistant Commissioner Neil Basu told reporters. "Given that this appears to be a deliberate act, the method, and this being an iconic site, we are treating it as a terrorist incident."
London's Ambulance Service said it had treated two people at the scene and they had been taken to hospital. Their injuries were not believed to be serious.
Armed police swarmed the scene and cordoned off a large area around the parliament in central London, usually bustling with tourists and government workers.
Witness Jason Williams said the car had struck a barrier on a lane used for access to the parliament building with force. He said he thought it was deliberate.
"It's a very serious incident," he told reporters. "There was smoke coming from the vehicle."
Images shot by a Euronews journalist showed police pointing their guns at a vehicle. Footage on social media showed a handcuffed man being led away by heavily armed police. Other footage showed a cyclist lying on the street.
"I saw the cyclists, injured cyclists. I've seen people, about 10, on the road, lying down, but I haven't seen any fatalities," Williams said.
British Prime Minister Theresa May, who like other lawmakers is on holiday during parliament's summer recess, said her thoughts were with the people injured in the incident.
Westminster Underground station, close to parliament, was closed to the public and the building cordoned off.
In March 2017, Khalid Masood, 52, killed four people on nearby Westminster Bridge before he stabbed to death an unarmed police officer in the grounds of parliament. He was shot dead at the scene. It was the first of five attacks on Britain last year which police blamed on terrorism.
Britain is on its second highest threat level of "severe", meaning an attack by militants is considered highly likely and the authorities say a dozen Islamist plots had been foiled since Masood's attack.
Last week, a Muslim convert admitted plotting to kill more than 100 people by driving a truck into pedestrians on London's Oxford Street, the capital's major shopping thoroughfare.
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