Police investigations are ongoing at a property in Sunbury.
U.K. Home Secretary Amber Rudd said speculation by U.S. President Donald Trump over Friday's commuter train bombing in west London is unhelpful while police continue to investigate the attack. He was taken to a south London police station for questioning but he has yet to be charged or identified.
Authorities have reduced the terror threat level from "critical" to "severe", indicating another attack is highly likely but no longer believed to be imminent. Earlier, an 18-year-old man was arrested at the port of Dover, from which ferries depart for continental Europe.
Farroukh was photographed with police officers outside a fast food outlet at Hounslow in west London.
Dozens were hurt when an improvised explosive device exploded aboard a crowded London Underground train at Parsons Green station during the morning rush hour Friday.
Both men remain in custody under section 41 of the Terrorism Act 2000, which allows police to detain suspects without charge beyond the four days allowed for suspects connected to other crimes.More news: Hurricane Maria Brought A 'Mind Boggling' Amount Of Destruction To Dominica
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"Photos posted on social media show a white plastic bucket with flames coming out of the top - along with wires", NPR's Frank Langfitt reported for our Newscast Unit. They have been honored by Queen Elizabeth II for their work on behalf of children.
A second man has been arrested in connection with the attack, according to police in London.
Suleman Sarwar, co-owner of Aladdin's Fried Chicken in Hounslow, said Farroukh worked there and was arrested by police Saturday night at the end of his shift.
This as authorities search a foster home with ties to the suspects.
"It is pure speculation, absolutely".
However, British detectives will now be seeking to establish if those responsible had traveled to Britain as genuine refugees, or if they were actually members of the Islamic State of Iraq and the Levant (ISIS), who had been sent to specifically carry out an attack. The other attacks, near Parliament, on London Bridge and near a mosque in Finsbury Park in north London, involved vehicles and, in two cases, knives.