A seventh person is arrested in the UK over the arena attack, as pictures emerge appearing to show the bomber's detonator and backpack.
The US singer suspends her European tour after a bomber killed 22 people at her Manchester show.
Schoolgirls, parents waiting to pick up children, and an off-duty police officer are among the dead.
The "We Love Manchester Emergency Fund" hits £2m as donations flood in.
Jessica Parker says she wants to reunite with her homeless son Chris after seeing him on the news.