Agence France-Presse: Ten protesters were arrested Monday as environmental campaigners prepared to spend the night at a coal-fired power station as part of a climate change rally, police said. Protesters cut through security gates at the Didcot power station in Oxfordshire early Monday, and some climbed to the top of the emissions chimney, police said. Ten people who targeted a coal conveyor building at the station were later arrested. But nine others who scaled the chimney were preparing to stay …