By Chiara Fiorillo At least 18 Syrian truffle hunters have been killed in an attack carried out by Islamic State militants, opposition activists and pro-government media said. The attack in a village in eastern Syria also left dozens injured and missing – and was one of the deadliest strikes by the Islamic State in the area in more than a year. It took place in a desert area near the town of Kobajeb in the eastern province of Deir el-Zour which borders Iraq. Some of the truffle gatherers may have been kidnapped, opposition activists said. According to the UK-based Syrian Observatory for Human …