Extra tube and bus staff helping commuters at Stratford station this morning because of Central line flooding
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Declan Donnelly will host the show alone when the show returns on March 31 following his partner Ant McPartlin's return to rehab, ITV says.
The campaigners have raised concerns about former undercover officers being granted anonymity during the proceedings.
The Discovery School in Newcastle has said there was "no excuse" for the serious error.