Britain’s Queen Elizabeth II delivers an address to the nation and the Commonwealth on the 75th anniversary of VE Day at Windsor Castle, Britain, in this Buckingham Palace handout image released May 8, 2020. Photo: Buckingham Palace/Handout via REUTERS. Family members rushed to be by the side of Queen Elizabeth after doctors said they were concerned about the health of Britain’s 96-year-old monarch on Thursday, saying she should remain under medical supervision. The queen , Britain’s longest-reigning sovereign and the world’s oldest monarch, has been suffering from what Buckingham Palace has called “episodic mobility problems” since the end of last...