29 May, 2017
In another response to Monday's attack, armed police officers are being deployed for the first time patrolling trains nationwide, British Transport Police announced.
On Thursday, Britain observed a one-minute silence at the stroke of 11 a.m.in memory of those who died in the attack.
Tillerson's remarks came during a trip to Britain to offer condolences after Monday's suicide blast that killed 22 people - even as British leaders expressed displeasure at leaks related to the bombing investigation that they blamed on US authorities. She was greeted by a head nurse before going inside to meet young victims of the attack.
Members of Manchester suicide bomber Salman Abedi's network are still potentially at large, British interior minister Amber Rudd said on Sunday, after the terrorism threat level was lowered due to significant progress in the investigation.
They also asked for any digital photos or videos potentially taken of Abedi on a mobile phone, digital camera or video camera to be shared with law enforcement on a specially created website.
A friend of the terrorist behind the Manchester attack says he was upset about the stabbing of a friend a year ago. He added that Abedi's father would be "distraught" at his son's actions.
Salman Abedi did not have extremist beliefs, Ramadan Abedi said in Tripoli, where he lives.
According to a spokesman for Libya's anti-terror force, Salman Abedi called his mother just hours prior to the attack to say, "Forgive me".
The Telegraph, with the help of investigative website Bellingcat, said it had uncovered Hashim's deactivated Facebook account, on which he had referred to Osama Bin Laden as his "hero" and liked a picture of a plane flying into the World Trade Centre in NY.
Lukens said Washington will "continue to offer resources and intelligence to assist the United Kingdom authorities in their investigation".
A USA law enforcement official later authenticated the photos and said they had been provided by British authorities to American investigators, CNBC reported.