Donald Trump greets Tony Blair as he arrives at the Gaza Peace Summit in Gaza

The former Labour prime minister was among those who queued up to shake hands with the US president in Egypt , who has spoken about him having a seat on a 'peace board'. Sir Tony appeared to win the backing of the Palestinian Authority, which runs the West Bank, after meeting its deputy chief on Sunday. But at the same time Trump suggested he might not be the right fit due to a lack of support in the region.