By bne IntelliNews A major power outage hit Albania, Bosnia & Herzegovina, Montenegro and most of Croatia’s coast on June 21, causing widespread disruption. The outage came amid an early summer heatwave across much of the region that has sent temperatures soaring as high as 40C in some areas. The problems are believed to have started in Montenegro, after which power was also cut in Bosnia and parts of Croatia, Croatian news agency Hina reported, quoting sources at the Croatian Transmission System Operator. Montenegro’s energy minister told Reuters the shutdown was due to a sudden spike in powe…