Berlin's mayor Kai Wegner faces calls to resign after playing tennis during a major power blackout caused by left-wing extremists, which left over 40,000 households without power. Despite his defense that he was available and managed the crisis well, criticism from opposition parties and former mayors is mounting. The incident threatens his political future and credibility, with demands for a parliamentary explanation and an investigation into his actions. Teljes cikk (Euronews.com)