Danny O'Donoghue from The Script described the band's performance for the Queen today as an "out-of-body experience".
The Voice mentor told ITV News his heart was in his mouth, adding, "I was just thanking the Lord I didn't forget the lyrics!"
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After decades of struggling negotiations both activists and delegates are hoping for some form of landmark agreement.
World Rugby chairman Bernard Lapasset led the tributes, calling Lomu 'a giant' of the game.
Jaw bone fragment studied by British scientist comes from a smaller cousin of the better known Triceratops.