London Mayor Sadiq Khan opened up about being attacked by President Trump Donald John TrumpBubba Wallace to be driver of Michael Jordan, Denny Hamlin NASCAR team Graham: GOP will confirm Trump's Supreme Court nominee before the election Southwest Airlines, unions call for six-month extension of government aid MORE and his son Donald Trump Jr., saying in a new interview with The Guardian, "I'm unclear what his beef is with me."

"I'm a reluctant participant in this dialogue with Donald Trump, because I'm trying to be a full-time mayor doing my job, and I'm not sure what he and his son have against me, and why they are tweeting about me," Khan said. ”

"We're not schoolchildren. He's the president of the United States, so I'm unclear what his beef is with me.”

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When asked by the Guardian if the feud with Trump might stem from him being Muslim, Khan replied, "Well, if that's the case, it says more about him than me."

"Look, it's perfectly possible to be an American or a Brit and a Muslim," he continued. "They are not mutually exclusive, and for anybody to think that – I can't understand it, not for people who hold important power."

Trump and Khan have clashed multiple times in the past, with the president criticizing the mayor's response to terrorist attacks in the United Kingdom.

Trump tweeted after a June terrorist attack in London : "At least 7 dead and 48 wounded in terror attack and Mayor of London says there is 'no reason to be alarmed!'"

Khan had told residents to not be alarmed by an increased police presence in the city. His spokesman responded that he had more important things to do than engage in a feud with Trump.

Donald Trump "He has more important things to do than respond to's ill-informed tweet that deliberately takes out of context his remarks urging Londoners not to be alarmed when they saw more police — including armed officers — on the streets," the spokesperson said.