Prince Charles, who has tested positive for Covid-19 for a second time, recently met his mother Queen Elizabeth, but the 95-year-old British monarch is not displaying any symptoms, a palace source said on Thursday.

Charles, 73, the heir to the throne, pulled out of an event in the southwestern English town of Winchester that was being held to mark the 70th anniversary of Elizabeth becoming queen

"This morning The Prince of Wales has tested positive for Covid-19 and is now self-isolating," his office, Clarence House, said in a statement on Twitter.

There was no immediate comment on...