US Senator Lindsey Graham was a vocal critic of US President Donald Trump before becoming one of his most loyal allies on Capitol Hill

South Carolina Senator Lindsey Graham, a close aide of US President Donald Trump, has died.

Republican senator had served in the Senate since 2003 and was a sharp critic of Trump before becoming one of his most loyal backers

South Carolina Senator and US President Donald Trump's close aide passed away on Saturday at the age of 71.