Nell Jones’ family says she was their “world” and “always put everyone else before herself”.
Images released by police show Salman Abedi wearing a backpack last Monday.
The national terrorism threat level comes down to severe, meaning an attack is likely, not imminent.
The military strike, reportedly in Libya, follows a deadly attack on Coptic Christians.
Police say they have “got hold of a large part” of a Manchester terror network.
Theresa May will tell Donald Trump shared intelligence “must be secure” after US leaks about the Manchester bomb – as the Queen visits victims.
Home Secretary Amber Rudd says US has been told “it should not happen again”.
The US singer suspends her European tour after a bomber killed 22 people at her Manchester show.
A sixth arrest is made in the UK over the arena attack, as pictures emerge appearing to show the bomber’s detonator and backpack.
Manchester cabbie Mann Singh said he helped get people away from the attack scene.