NEW: Barron Trump is being credited with saving a woman's life after she was being attacked by her ex-boyfriend in the UK, according to Metro. The revelation came from the woman, who told a London court that Barron Trump's quick thinking saved her life. According to the report, 22-year-old Matvei Rumianstev became jealous of his girlfriend's friendship with Barron and started assaulting her. Barron reportedly picked up a FaceTime call to see Rumianstev allegedly beating his friend. Barron then j