Saudi Arabia has threatened to prop up President Mubarak if the White House tries to force a swift change of regime in Egypt. In a testy personal telephone call on January 29, King Abdullah told President Obama not to humiliate Mr Mubarak and warned that he would step in to bankroll Egypt if the US withdrew its aid programme, worth $1.5 billion annually. America’s closest ally in the Gulf made clear that the Egyptian President must be allowed to stay on to oversee the transition towards peaceful democracy and then leave with dignity. “Mubarak and King Abdullah are not just allies, they are close friends, and the King is not about to see his friend cast aside and humiliated,” a senior source in the Saudi capital told The Times.