The UK government's monitoring reports about the health of North Korea's leader.
Media reports in the United States suggest Kim Jong Un is seriously ill - but the North Koreans haven't confirmed that or given any other updates.
He hasn't been seen since he missed celebrations to mark the anniversary of his grandfather’s birthday - who founded the country.
What's thought to be Kim Jong Un's train has been spotted by satellites near the city of Wonsan, in the east of the country prompting, speculation he could be at a private compound in the region.
Foreign secretary Dominic Raab says they are keeping an eye on the situation.
