New Delhi, July 12 -- US President Donald Trump has expressed shock over the sudden death of Senator Lindsey Graham, revealing that he had spoken to the South Carolina Republican just over an hour before he died.

Graham, 71, died from a "brief and sudden illness" on Saturday night, according to a statement from his office. No further details about the cause of death have been released.

Trump, speaking to CNN, said he had no indication that anything was wrong during their final conversation.

"Well it's devastating. I thought he was fine. He called me last night," Trump said.

The President said Graham had recently returned from Ukraine and appeared upbeat as they discussed his trip and legislative priorities.

"He just got back from Ukr...