Donald Trump's youngest son Barron saved the life of a woman in London by phoning the police when he witnessed her being beaten up over a videocall, a court heard. Barron Trump spoke directly with police call handlers after calling 999 when he heard what he thought was Russian national Matvei Rumiantsev repeatedly punching his friend in his London flat. Rumiantsev, 22, was jealous of Mr Trump’s relationship with the woman and flew into a rage when the American tried to phone her earlier that evening, prosecutors said. He then answered a videocall from the President’s son to the woman’s...