Most cases of a mysterious illness striking US officials dubbed “Havana syndrome” were not caused by a foreign power, CIA officials say. Since 2016, US diplomats around the world have reported symptoms – sparking suggestions Russia, China or another adversary could be responsible. But a majority of 1,000 cases looked at by the CIA can be explained by stress or natural causes, officials say. The release of the findings has angered some of those who fell ill. The CIA is still looking into a small number of unexplained cases, where the role of a foreign power has not been ruled out. Americans who have been hit by Havana syndrome have described dizziness, headaches and an intense and painful sound in their ears. First reported in Cuba in 2016, cases have since been reported in Geneva, Berlin and elsewhere.(BBC)…[+]