MOSCOW—Imprisoned opposition leader Alexei Navalny said Friday he is ending his hunger strike after getting medical attention and being warned by his doctors that continuing it would put his life at risk. In an Instagram post on the 24th day of his hunger strike, Navalny said he will continue to demand a visit from his doctor to address numbness in his legs and arms—his main demand. But he said he would stop the strike after having been examined by doctors who were not affiliated with the prison doctors, something he called “a huge progress.” He also acknowledged the mass pro-Navalny protests across Russia on Wednesday and multiple letters and statements supporting him from public figures and government officials around the globe. “Thanks to the huge support of good people across the country and around the world, we have made huge progress,” Navalny said in his message from behind bars. “Two …