Justin Bieber is among a host of celebrities including Hollywood A-lister Jack Nicholson attending the Floyd Mayweather fight against Mexico's Saul Alvarez, which could be the biggest grossing bout yet.
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The major party leaders' campaigns for the General Election will remain suspended on Wednesday following the Manchester terror attack.
Thousands of people have donated to help the families of the victims - as well as a homeless man who came to their aid.
Some children, particularly those who have been more directly affected, may show symptoms of stress and trauma.