North Korea expelled a BBC journalist on Monday over his reporting, the broadcaster and a North Korean official said, as a large group of foreign media members visited the isolated country to cover a rare ruling party congress.

Rupert Wingfield-Hayes was detained on Friday as he was about to leave the country and taken away for eight hours of questioning and "made to sign a statement" the network said.

The British reporter was on a flight for Beijing on Monday afternoon along with a BBC producer and cameraman he was traveling with, a person familiar with the matter told Reuters.