DAMASCUS: An explosion struck a gas export pipeline in northeastern Syria on Thursday, sparking a fire in the fourth such attack targeting the country’s energy infrastructure in recent months. The state-owned Syrian Petroleum Co. said the blast hit Al-Jabsa gas pipeline in Al-Arbeidi area of southern Hasakah province, about 60 km from the city of Al-Shaddadi, according to the Syrian Arab News Agency. Emergency teams isolated the affected section of the pipeline and shut off valves on both sides