Students at a top London University have banned the Brexit-supporting Mayor of London Boris Johnson because of his “inappropriate” comments about Barack Obama’s “heritage”. Student leaders at King’s College London claimed the Mayor of London’s reference to the U.S. president’s “part-Kenya” heritage showed “disrespect” towards the most powerful man in world and was not “tolerant”. Mr. Johnson had been due to address a student group called King’s Think Tank. However, in an email sent to him yesterday afternoon, organisers claimed: “The level of discourse over the past few days does not meet the bar we set for these events nor do we feel does it help the British people in making the most momentous decision of our lifetime.” “Furthermore,” they add, “we believe it does not reflect the true greatness of the United Kingdom, a land of tolerance, respect and fair play towards all”. Next part of #borisjohnson backlash of his Obama ancestry comments. Kings College letter withdrawing #EUref invite pic.twitter.com/OUYyQyYDw1 — Ryan Heath (@PoliticoRyan) April 24, 2016 The students refer to an article Mr. Johnson wrote for the Sun about Mr. Obama removing a bust of Winston Churchill from his office. “Some said it was a snub to Britain. Some said it