28 May, 2017
May said this meant that the independent body which sets the threat level had decided it should be lowered from its highest rating "critical", which means an attack could be imminent, to "severe". May said she reduced the nation's terror alert level based on advice from an inter-departmental security meeting called Cobra, BBC reported.
Theresa May said the decision followed a "significant amount of police activity over the last 24 hours".
Investigators have searched 17 properties, including bomber Salman Abedi's home in south Manchester and other houses in nearby districts.
The level was raised to critical after Monday's bomb attack in Manchester, which killed 22 people.
The evacuation was described by Greater Manchester Police as a precautionary measure to "ensure everyone's safety".
Police made two more attests Saturday, bringing the number of suspects in custody to 11.
"As part of an ongoing search at a property in Moss Side an evacuation is now being carried in the area", police said in a statement.
ARMED officers will stay in Somerset's busiest tourist areas over the bank holiday weekend despite Britain's terror level being lowered from "critical" to severe.
On Friday, Britain's most senior counter-terrorism officer said police were confident that they had made "immense" progress and had apprehended a "large part of the network".
Speaking outside Scotland Yard, he stressed there was still much to do and warned more searches and arrests were likely to take place in the coming days.
The UK's terror threat level has been reduced as police unravel the bomb-making methods of the Manchester suicide attacker and close in on suspected co-conspirators.
Operation Temperer, which involved the deployment of troops on patrol alongside police, would also be wound down on Monday night, at the end of the bank holiday weekend. A total of 116 people were treated in hospitals after the attack.
Hundreds of soldiers have been replaced police at high-profile sites including Buckingham Palace and Parliament.
More than 1,000 armed police are on standby as major events including the Football Association Cup Final and the Premiership Rugby Final are expected to draw tens of thousands of people.
Before kickoff, Prince William laid a wreath in memory of the victims alongside Manchester mayor Andy Burnham.
"We will be thinking about all the people who died and were injured", she said. Police searched the building and found nothing suspicious. "We won't let hate win".