Turkish troops deployed on Tuesday in an area in northwestern Syria to try to halt fighting between rival rebel factions opposed to Syrian President Bashar al-Assad, witnesses and rebel forces said. Turkish tanks and armoured vehicles took up positions around Kafr Jana, a rugged area which the main jihadist rebel group Hayat Tahrir al-Sham (HTS) seized on Monday from two rival factions belonging to a coalition of rebel forces backed by Ankara. Turkish army and security officers worked to bring the warring factions back to the negotiating table to implement a peace deal reached last Saturday th…