LONDON (Reuters) -Russian air defences on Tuesday repelled two drone attacks in Crimea, annexed from Ukraine in 2014, including one attack targeting a power station, the regional governor said in a statement. Russian-installed Governor Mikhail Razvozhaev said the second attack was repelled over the sea off the peninsula. He called for calm and said no damage had been caused. “The Ukrainian Nazis have again tried to attack our thermal power station at Balaklava,” Razvozhaev said on Telegram, referring to a facility near Sevastopol, the home port of Russia’s Black Sea naval fleet. “Our fleet als…