Three more men have been arrested in South Manchester in connection with the terrorist attack on Monday, as Britain remains on critical alert amid fears suicide bomber Salman Abedi did not act alone.
A total of four people are now thought to be being held by police in connection with the attack.
A 23-year-old man was arrested on Tuesday and remains in custody. In footage that has emerged online, officers can be seen arresting a man outside Morrison’s supermarket in the suburb of Chorlton at about 10.30am on Tuesday.
There has been considerable police activity around Manchester since the bombing.
A flat in Whalley Range and a house in Fallowfield were raided by armed police officers and examined by forensic teams. A controlled explosion was carried out at the Fallowfield address on Tuesday to gain access to the home.
Twenty-two people were killed and 59 injured at Monday night’s attack on the Manchester Arena during a concert by pop star Ariana Grande.
Monday’s terror attack has raised the terror threat to be raised to critical – the highest level – which means an attack is “expected imminently.”
Investigators fear that the British-born bomber of Libyan descent was part of a wider network of Islamic State (IS, formerly ISIS/ISIL) inspired terrorists, including a bomb-maker, who may still be at large.
Rudd has said it is “likely, possible” that the attacker was not acting on his own.
Military personnel and police have been deployed to protect key sites including Buckingham Palace, Downing Street, the Palace of Westminster and embassies.
Up to 3,800 troops could be deployed across the UK.