Gas supplies from Russia to Armenia and Georgia have been halted by two explosions on a pipeline that Georgia blames on Russian sabotage. At a time when freezing winter temperatures are gripping all three countries, the explosions occurred on the main branch and a reserve branch of the Mozdok-Tbilisi pipeline close to the border with Georgia in the early hours of Sunday morning. According to a spokesman for Russia's deputy prosecutor, general investigators at the site in the Russian province of North Ossetia, are treating the incident as sabotage, but not terrorism. Sergei Prokopov, the spokesman, said: "An expert group is working at the site. According to preliminary information they have already found the remains of improvised explosive devices. If this explanation is confirmed then we are talking about sabotage." Other officials said it could take up to four days to repair the damage due to the difficult mountain conditions. Mikhail Saakashvili, the president of Georgia, accused Russia of being behind the blasts, which Georgia said could leave households without gas as soon as Sunday evening.