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Westminster terror attack: Fourth victim dies in hospital

Police have confirmed a 75-year-old man has died in hospital after his life support machine was switched off on Thursday evening.

Earlier, the man believed to be responsible for the attack was named as 52-year-old Khalid Masood.

Police said Masood was not the subject of any current investigations and there was "no prior intelligence about his intent to mount a terrorist attack."

  • Masood, who was born in Kent, was known to police and had a range of previous convictions for assaults, including GBH
  • He was also known by a number of aliases, the Metropolitan Police said.
  • Armed with two large knives, Masood mowed down pedestrians with his car on Westminster Bridge on Wednesday afternoon
  • He was shot dead moments later by another officer
  • The first three victims have been named as Pc Keith Palmer, Aysha Frade and US tourist Kurt Cochran
  • 29 people remain in hospital and have been visited by the prime minister
  • Earlier, Mrs May told the Commons: "Our resolve will never waver in the face of terrorism."
  • Eight people have been arrested and raids have taken place in London, Birmingham and elsewhere
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Fallon: Working assumption attack linked to 'Islamic terrorism'

Defence Secretary Michael Fallon has said the working assumption is that the Westminster attack is linked to "Islamic terrorism".

Speaking on Wednesday morning Sir Michael said: "The police are investigating this man, his associates, where he came from, checking urgently whether other people were involved in this.

"That is their assumption at the moment, but they don't have a full enough picture of this man and his known associates, and who may, or may not, have helped him prepare this attack. That work is still going on."

Sir Michael continued that police and investigators "have been working right through the night, looking into his background, how he got hold of the vehicle, where the vehicle has been in the last day or two, and who may, or may not, have helped him."

Asked if he was known to police, Sir Michael said: "I can't confirm that, you will have to ask the police that."

He continued that the security of the Houses of Parliament is to be reviewed, including looking at whether police on the front gates should be armed or not.

The 64-year-old also paid tribute to Pc Keith Palmer who was killed in the attack, saying the police officer has "made the ultimate sacrifice" to keep others safe, and had stopped the attacker getting into Parliament.

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