London attack: Race underway to identify the London bomber after he is captured on CCTV

‘Theresa May last night raised the terror threat level to critical as police scrambled to identify the attackers who tried to blow up a packed Tube train during the morning rush hour, in the fourth assault to strike London this year.
Detectives have used CCTV images from the station and train to single out the suspect believed to have planted the homemade device, but were still working to identify the bomber.
Raising the terror status to its highest level, which means another attack is considered imminent, the Prime Minister said military personnel would replace armed police “on guard duties at certain protected sites which are not accessible to the public”.
She said: “The public will see more armed police on the transport network and on our streets, providing extra protection. This is a proportionate and sensible step which will provide extra reassurance and protection while the investigation progresses.”’
Read more: London attack: Race underway to identify the London bomber after he is captured on CCTV