Sarang Jeil Church pastor Jun Kwang-hun speaks outside a detention center in Uiwang, South Korea, in April. Jun tested positive for the coronavirus last month, two days after he took part in an anti-government rally in Seoul.

In this April 20, 2020, photo, Sarang Jeil Church pastor Jun Kwang-hun speaks outside a detention center in Uiwang, South Korea. Jun who has been a bitter critic of the country’s president has tested positive for the coronavirus health authorities said Monday, Aug. 17, two days after he participated in an anti-government rally in Seoul that drew thousands. (Ko Jun-beom/Newsis via AP)