A blast from a landmine left by the Islamic State group killed at least 13 civilians foraging for truffles in the Syrian desert, a war monitor said. “Thirteen civilians, including women… were killed when a landmine left by the IS group exploded while they were searching for truffles” in the desert in Raqqa province, said the Syria Observatory for Human Rights. The Syrian desert is renowned for producing some of the best quality truffles in the world, which fetch high prices in a country battered by 13 years of war and a crushing economic crisis. Authorities frequently warn against the high-r…