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Westminster attacker born Adrian Russell Ajao

Reports have emerged that his birthname was Adrian Elms. The six were also held on suspicion of preparation of terrorist acts.

The assailant sped across Westminster Bridge in a vehicle, ploughing into pedestrians along the way, then ran through the gates of the nearby parliament building and fatally stabbed an unarmed policeman before being shot dead.

As dusk fell, hundreds gathered in London's Trafalgar Square in a vigil to remember the victims.

Many public figures, including Mayor of London Sadiq Khan, also said the deadly attack should not be used to incite hatred.

Theresa May told MPs packed into the House of Commons that he had been the subject of a historical MI5 investigation over suspected violent extremism but was not charged with terror offences.

When Masood was two years old, she married Philip and they brought him up in a £300,000 house in the seaside town of Rye, East Sussex.

Police raided the room at the Preston Park Hotel in Brighton after the attack, searching for clues about Khalid Masood, who was identified Friday by his prior name, Adrian Russell Ajao.

The others killed included teacher Aysha Frade and United States tourist Curt Cohrane and police officer Keith Palmer.

Police said Masood was born in the county of Kent in southeast England and was most recently living in the West Midlands region of central England. "We're in close contacts with the governments of all those affected", the prime minister said.

Westminster Bridge and the area just around parliament were still cordoned off on Thursday morning and a line of forensic investigators in light blue overalls were on their hands and knees, examining the scene where the attacker was shot.

"I understand why a tragic event such as this generates questions about security at Parliament", said Rowley.

Two people remain in hospital in "critical condition" and one of them has "life threatening" injuries.

Twenty-nine people injured in the attack are still being treated at the hospital.

"We meet here, in the oldest of all parliaments, because we know that democracy and the values it entails will always prevail", she said. May visited some of them, her spokesperson said. She said she got chills when she learned the identity of the London attacker.

Heather Mott said Masood appeared to come out of jail "even worse".

The IS group said it was responsible, according to the Amaq propaganda agency, its first claim of an attack on British soil.

In a statement, the Met said: "He was known to police and has a range of previous convictions for assaults, including GBH, possession of offensive weapons and public order offences". His most recent conviction was in 2003 for possession of a knife.

The investigation is being led by SO15, Scotland Yard's counter-terrorism command. "I saw him many times cutting the grass and coming back from shopping".

A woman assists an injured person after an incident on Westminster Bridge in London, Britain.

In a statement, police said that Masood was also known by other aliases.

People made arrests across the country as they investigate whether anyone else helped Masood prepare his attack. Five men aged 23, 26, 27, 28 and 58 were arrested in Birmingham.

Rowley said the police service will sustain an enhanced armed and unarmed presence over the next few days.


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