Thousands of people gathered at a vigil in central Manchester on Tuesday evening In other developments: Relatives are using social media to hunt for missing loved ones, and an emergency number - 0800 096 0095 - has been set up Flags are flying at half mast outside Number 10 and political parties have suspended general election campaigning until further notice The prime minister and the Labour leader both signed the book of condolence at Manchester's Town Hall Extra armed officers will be deployed to Wembley and Twickenham on Saturday, while security at all upcoming events and venues in England is under review.
World leaders have expressed solidarity with the UK, including US President Donald Trump, who called those behind the attack "evil losers" Exam boards are telling schools directly affected by the attack that they can re-arrange GCSE and A-level exams in the wake of the attack Police have established a help centre at Manchester City's Etihad Stadium, access Gate 11, for anyone who needs assistance in tracing loved ones The Queen extended her "deepest sympathy" to all those affected;
Manchester reacts with resilience Confusion and chaos after explosion Father's desperate plea to find daughter Talking to children about terrorism Witnesses at the arena described seeing metal nuts and bolts among the debris of Monday's bomb, and spoke about the fear and confusion that gripped concert-goers.
The explosion happened shortly after US singer Ariana Grande had left the stage and the 23-year-old tweeted: "broken. from the bottom of my heart, i am so so sorry. i don't have words".