However the new mayor has hit back.

"This isn't just about me - it's about my friends, my family and everyone who comes from a background similar to mine, anywhere in the world," he said.

Mr Khan added: "Donald Trump's ignorant view of Islam could make both of our countries less safe - it risks alienating mainstream Muslims around the world and plays into the hands of extremists.

"Donald Trump and those around him think that Western liberal values are incompatible with mainstream Islam - London has proved him wrong."

Mr Trump has vowed a “total and complete” temporary shutdown of America’s borders to Muslims following last December’s deadly attack in San Bernardino by a husband and wife team who swore loyalty to swearing loyalty to the Islamic State of Iraq and the Levant (Isil).