beirut u.s.-led warplanes wednesday block convoy islamic state fighters families reach territory group hold eastern syria strike comrades travel meet coalition spokesman say strike aim stop evacuation deal islamic state fighters leave enclave lebanon-syria border areas hold eastern syria arrange lebanese hezbollah group syrian army part ceasefire agree offensives last week lebanese army one front syrian army hezbollah another push islamic state back small part enclave straddle frontier deal criticize coalition iraq whose army also fight islamic state areas contiguous eastern syria region convoy head convoy carry 308 militants 331 civilians accord hezbollah effectively strand unable move forward islamic state territory show easily evacuations areas government syrian president bashar al-assad increasingly use push rebel pocket surrender derail conflict many side commander military alliance support assad say coalition contact syrian arab red crescent accompany convoy warn enter islamic state territory might attack islamic state back foot syria iraq lose swathe territory important towns cities take advantage chaos include six-year civil war syria win grind syria u.s.-led coalition back alliance kurdish arab militias north assault jihadist group former de facto capital raqqa russian-backed syrian army ally shi ite militia iraq lebanon include hezbollah year seize central desert group advance eastwards relieve army besiege enclave deir al-zor coalition strike block convoy move islamic state territory take place east humeima near edge land hold syrian government coalition spokesman ryan dillon tell reuters crater road destroy small bridge prevent convoy move east dillon tell reuters phone late say coalition strike vehicles contain islamic state fighters head area deep inside territory control east know evacuation convoy contain bus fighters family members well ambulances carry wound fighters islamic state syrian government territory tuesday morning hezbollah-run military media unit report convoy reach exchange point islamic state territory evacuation deal also involve islamic state reveal fate nine lebanese soldier take captive border enclave 2014 surrender hezbollah syrian army prisoners body east syria commander pro-assad military alliance say consider alternative location convoy cross islamic state territory things move change place humeima head north towards sukhna commander say bind agreements dillon say apparently refer ceasefire deal clearly fighters move another location fight yet accordance law arm conflict ... strike able say add direct strike convoy would take place militants could separate civilians brett mcgurk u.s. envoy coalition criticize evacuation deal statement early wednesday strike report say relocate terrorists one place another someone else deal last solution separately leader hezbollah sayyed hassan nasrallah defend lebanese group involvement evacuation deal statement respond criticism move iraqi prime minister haider al-abadi abadi say tuesday transport number terrorists long distance eastern syria adjacent iraqi border unacceptable nasrallah say hezbollah deal agree upon syrian leadership fighters number move one front hezbollah fight another lebanon major recipient u.s. british military aid say offensive islamic state last week separate simultaneous one make pocket inside syria syrian army hezbollah regard u.s. britain terrorist group wednesday lebanese army say head general joseph aoun phone commander u.s. central command joseph votel congratulate offensive pledge continue arm lebanon army u.s.-led jet strike syria block islamic state evacuation deal