amman turkish army expand deployment northwest syria goal encircle kurdish enclave rein russian strike idlib border province deal reduce clash rebel witness say sunday convoy turkish army troop enter syria near bab al-hawa border cross thursday first deployment since last year ankara launch major grind air offensive clear islamic state militants last stretch border turkey least four convoy carry score armor vehicles equipment station several locations first phase deployment expect deepen inside rebel-held idlib opposition source say nearly 200 troop station areas separate territory control kurdish group opposition group say ibrahim al idlibi military adviser opposition free syrian army fsa witness say turkish bulldozers work around clock dig fortifications set observation post new deployment turkish armor vehicles personnel arrive along syrian border saturday position turkish side witness say turkey expand presence area hop act barrier kurdish ambition unite isolate afrin region north idlib rest self-declared autonomous kurdish zone country north turkish position near samaan castle sheikh barakat mountains fertile olive-growing province put kilometers kurdish militia force base jendaris turkish force still state advance expand say mustafa al sejari free syrian army official turkey say operations along syrian rebel group back part deal reach last month russia iran kazakhstan reduce fight insurgents syrian government syria saturday denounce turkish incursion say flagrant violation sovereignty demand ankara pull troop l8n1mp0en turkish incursion province dominate jihadist group tahrir al sham whose backbone ex-nusra front syria former al qaeda offshoot run smoothly rebel source familiar deployment say operation precede weeks coordination tahrir al sham turkish intelligence officer ensure clash happen free syrian army rebel group say goal campaign push deep province expansion supply line observation post jihadists would retreat south phase withdrawal turks take position 40 km deep inside idlib agree idlibi say goal ultimately create contiguous stretch go bab al-hawa way jarablus city west euphrates river far south city bab widen pocket northern border control turkey-backed rebel many residents towns idlib province two million people live welcome arrival turkish troop see bulwark heavy russian syrian army bombardment crush rebel province would cause massive devastation high civilian casualties turks present factions fsa military logistical support idlib escape fate deir zor raqqa say colonel abdul jabar akaidi senior commander fsa north heavily populate idlib target hundreds strike russia syrian air force past year kill hundreds civilians destroy hospitals civil defense center six months relative peace turkish-russian understand give temporary reprieve thousands people shatter russia resume intensive bomb campaign last month jihadists launch offensive syrian army position l5n1m508r saturday southern idlib jet believe russian kill least three civilians injure score bomb strike outskirts maarat al numan air raid also target camp run failaq al sham turkey-backed fsa group kafr ruma village strike last month kill dozens fighters turkish army expand deployment syria 's northwest rebel