"The British Embassy in Pyongyang closed temporarily on 27 May 2020 and all diplomatic staff have left the DPRK for the time being", Crooks wrote on his Twitter page.
On 4 February, North Korea restricted the movement of staff members of foreign diplomatic missions amid the COVID-19 pandemic. Starting from 13 February, foreign diplomats must go through a 30-day quarantine at border checkpoints after arriving in North Korea.
North Korea has not officially confirmed coronavirus cases so far.
The World Health Organization declared the COVID-19 outbreak a pandemic on 11 March. To date, around 5.5 million people have been infected with the coronavirus worldwide, with almost 350,000 fatalities, according to the World Health Organization dashboard.