"We've been following the controversy over the stadium naming rights and we're fans ourselves - football fans - and we totally get the passion that comes with football," said Wonga CEO and founder Errol Damelin.
"We listened to the fans - the fans want it to be called St James' Park, and we're delighted to be able to be part of solving that problem."
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She told reporters: "I don't think it's fully sunk in how really bad that could have been, I know it's not the right decision."
Jonathan Theobald said: "The weather can change quickly and a car can become lethal, I've discovered that the hard way."
Political parties across the country suspended their General Election campaigns following the Manchester Arena terror attack on Monday.