The International Energy Agency (IEA) called on Ukraine’s partners to support the country to protect the electricity and heating supply in a report issued on Thursday. The IEA report warned that the coming winter could be the hardest yet for the embattled nation. As Russia ramps up its attacks on Ukrainian power plants, heating plants and transmission networks, the country’s energy infrastructure is under significant pressure, the IEA noted. “Strains that are bearable in the summer months may become unbearable when temperatures start to fall and supplies of heat and water falter, triggering fu…