A jailed Egyptian pro-democracy campaigner, whose family says he is on a total hunger strike, has been given “medical intervention,” his sister said on Thursday. Alaa Abdel-Fattah, a key figure in Egypt’s 2011 uprising, which toppled long-time ruler Hosny Mubarak, began a partial hunger strike in April and stopped drinking water as of Sunday, to coincide with the start of a major UN climate conference in Egypt, according to his family. Abdel-Fattah, now 40, was sentenced in December to five years in prison on charges of spreading fake news, an accusation that his family dismisses as politicall…