London (CNN) The Mayor of London, Sadiq Khan, has said Donald Trump's divisive rhetoric gives the impression the US President cares only about white Americans.

Speaking to CNN's The Brief, Khan, a long-time critic of the President, said he felt "the long shadow of Donald Trump's agenda" in the UK.

"The concern that we have is ... when President Trump talks about America First -- does he really mean white America first?" he said. "That's a big concern for many of us."

The British politician said the US President's actions "on many, many occasions ... gives us the impression that all he cares about is white America."

"When you see ... the President of the USA calling people rapists because they happen to be Mexican, having a travel ban against people of my faith, that leads to huge concerns across the world," Khan added.

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