Amazon and Microsoft are mounting legal action against Donald Trump's controversial travel ban that stops citizens from seven Muslim countries from entering America.

The technology giants are throwing their weight behind Washington state, which is suing the President over the immigration order.

"This executive order is one we do not support," said Jeff Bezos, Amazon's chief executive. "We're a nation of immigrants whose diverse backgrounds, ideas and points of view have helped us build and invent as a nation for over 240 years.