Bon Jovi said they are looking forward to performing at Hyde Park as part of the Barclaycard British Summertime Festival which starts at the end of June. They added they were not concerned about noise restrictions or the British weather which caused problems at festivals last year.
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"I do not accept the allegation that I have brought the Labour Party into disrepute", said Livingstone.
Family and friends of the victims of Grenfell Tower have been paying tribute to those who perished in the disaster.
The balmy conditions have swept in on a high pressure system, dragging in hot air from the continent, according to the Met Office.