SWNS A police officer trains his automatic rifle on a suspect’s house in Birmingham

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The man, said to be a father-of-three, shocked neighbours by grinning as he was led away after an armed raid on his £240,000 semi-detached home. He was among 11 people arrested during raids on 20 properties in the wake of the terror attack which killed four and injured 50 in London. The suspect seemed unconcerned by the raid on his Birmingham home, which saw an armed police officer wearing a balaclava and helmet train an assault rifle on the windows.

It is believed Masood has been seen in past months visiting the property. A battering ram was used to gain entry to the house and a silver BMW was later taken away for examination. Neighbours told how the man who rented the property used to have latenight visitors and had a “creepy smile”. One said: “I went to my window and there were three cops with guns running up to the back window. There was shouting and screaming for ages. I couldn’t hear what they were saying but it was loud. It sounded like there were loads of people in there.”

There might be people out there who had concerns about Masood but weren’t sure or didn’t feel comfortable for whatever reason in passing information to us Mark Rowley - Deputy Police Commissioner

Residents believe a man from Saudi Arabia lives at the house in the Winson Green area with his wife and children. Shekila Sahota said the man, thought to be in his 40s or 50s, had lived at the address for about a year. She added: “The man they led away was put in a police van and he had a big smirk on his face when they took him away.”

SWNS Police have conducted nationwide swoops on possible accomplices of terrorist Khalid Masood

Westminster terror attack in pictures Thu, March 22, 2018 These devastating photographs capture the carnage and terror in the Westminster terror attack in London one year ago today. Play slideshow PA 1 of 43 Conservative MP Tobias Ellwood (centre) helps emergency services attend to a police officer outside the Palace of Westminster, London

Meanwhile police were yesterday guarding the home of Masood’s half brother in an Oxfordshire village. Four uniformed officers stood outside the detached bungalow and warned journalists not to knock on the door. Paul Ajao, who works in digital marketing, had pulled down the blinds at his home in Mollington, near Banbury. His wife Cindy is said to be a florist. Two detectives later arrived and spent more than two hours inside with Mr Ajao. In Manchester a 35-yearold man was being questioned by antiterror police yesterday after a “significant” overnight raid on a gated development in West Didsbury. The village is popular with TV stars and footballers and the raided house is just yards from trendy restaurant Greens, owned by TV chef Simon Rimmer. The gates to the private housing estate remained shut yesterday and a police van was parked inside. Officers in blue forensic suits were seen searching through the unnamed man’s £350,000 three-storey townhouse. They removed a grey Mazda 3 on a flatbed lorry.

SWNS Masood’s flat in east London

Police later confirmed that a 32-year-old woman linked to the investigation was also arrested in Manchester although it is not known if this was at the same address. In an effort to reassure residents, Greater Manchester’s Assistant Chief Constable Rob Potts said: “The horrific events in London have affected people across the nation. “We know it has been felt strongly in our communities here. In light of an arrest in Manchester overnight, I want to offer my strongest assurances that we are here to support our communities and will robustly investigate any reports of hatred towards anyone. “We have reviewed our patrols to ensure we provide visible reassurance. Terrorist acts and hate crimes are committed by a tiny minority of people and are not representative of the public. We need to work together to defeat those who seek to destroy our communities with hate, fear, and violence.”

Victims of the Westminster terror attack Fri, April 7, 2017 The Westminster attack has now killed six people Play slideshow SWNS.com 1 of 11 Andreea Cristea died of her injuries following the Westminster terror attacks

GETTY Acting Deputy Police Commissioner Mark Rowley