"The joint terrorist analysis centre, which reviews the threat level that the United Kingdom is under, has chose to lower that level from critical to severe".
Following the bombing of a London tube train at Parsons Green station on Friday, the terror threat level was increased from severe to critical.
Britain's National Health Service says all but one of the people wounded in the subway bombing attack have been released from the hospital.
Just one person is being treated at Chelsea and Westminster Hospital, which has a specialist burns unit.
British police are searching a home in the London suburb of Stanwell linked to the arrest of the second suspect in the subway bombing.
But on Sunday, Ms Rudd announced it was being downgraded.
Five hours later, armed police raided a home in posh Sunbury-on-Thames that belongs to the Jones couple, who received an MBE in 2009 for fostering hundreds of kids.
The entire road was evacuated on Saturday while the initial investigations at the property were underway.
Ronald Jones, 88, and Penelope Jones, 71 were rewarded for their service to children by the Queen, who made them MBEs in 2010.
Friend Alison Griffiths said the couple had an 18-year-old and a 22-year-old staying with them recently.
"I never think it's helpful for anybody to speculate on what is an ongoing investigation", said May.
He was arrested by detectives investigating the bucket bomb that partially detonated at the underground station, police have confirmed.
Police arrested an 18-year-old man earlier on Saturday following the attack in west London.
The 21-year-old man was arrested in Hounslow shortly before midnight last night.
Her announcement came after two people were arrested in connection with the blast.
Britain remains on its highest level of alert on Sunday, meaning another attack is believed to be imminent.
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