President Barack Obama has vowed that the US will not "leap before we look" in response to Syria's alleged use of chemical weapons.
At a press conference, as part of a visit to Costa Rica, Obama said he does not foresee a scenario in which he would dispatch US troops to Syria.
More top news
A band of heavy, thundery showers continues to move northwards through this evening, dying away overnight.
The Duke of Cambridge also laid a wreath to honour the victims before kick-off.
The mother of one of the Manchester attack victims has told of the distressing moment she found her daughter being treated after the attack.