Syrian army says senior Islamic State militant killed

The Syrian army said on Wednesday it had killed Islamic State's military commander in Syria during operations in the north of the country, where the Russian-backed government forces are seizing more territory back from the jihadist group.If confirmed, this would represent a major blow against Islamic State (IS) ahead of an attack which the U.S.-backed Syrian Democratic Forces (SDF) - an alliance of Kurdish and Arab fighters - are expected to launch against the jihadists in their stronghold of Ra