benghazi libya medical staff southern libyan city sabha say monday suspend work 10 days protest poor security doctor kidnap health service libya severely disrupt years conflict remote south particularly affect salem al-selhab work surgical department sabha medical centre big hospital southern libya kidnap unknown group thursday even long time medical staff sabha medical centre suffer attack abuse shoot say osama al-wafi spokesman center add selhab kidnap serious setback doctor important say staff center private clinics city announce 10-day strike sunday demand selhab release provision security medical staff sabha major hub smuggle migrants toward libya northern coast seek treatment local medical facilities sabha medical centre receive 70 percent back international organizations absence state support rival governments tripoli east say wafi suffer greatly shortage medicine political division lack support say world health organization one international body provide sabha medical centre support strongly condemn violence staff area urge refrain attack health workers facilities require international humanitarian law call upon party responsible kidnap doctor sabha ensure safety immediate release say statement health staff southern libya strike doctor 's kidnap