geneva syria throes bad fight since battle eastern aleppo last year heavy air strike cause hundreds civilian casualties aid agencies say thursday hospitals school people flee violence target direct air strike may amount war crimes unite nations say without apportion blame russia u.s.-led coalition carry separate air strike syria ostensibly aim defeat islamic state militants september deadly month 2017 civilians daily report attack residential areas result hundreds conflict-related deaths injuries u.n. regional humanitarian coordinator panos moumtzis say statement air strike kill dozens week raqqa 8,000 people remain trap least 149 people mostly women children residential areas rebel-dominated idlib province syria northwest last 12 days september say explosions damascus kill 20 people civilian casualties also report rural areas around syrian capital hama aleppo deir al-zor moumtzis say without say responsible international committee red cross icrc say statement 10 hospitals report damage past 10 days see number hospitals target get worry report converge report hospitals school civilian infrastructure target robert mardini icrc regional director middle east tell reuters interview geneva office course outrageous unacceptable say add damage sham hospital idlib alone cut half million people access health care icrc voice alarm violence occur many de-escalation areas include idlib rural hama eastern ghouta take together bad level violence since battle aleppo 2016 say hundreds civilians kill certainly conservative figure mardini say see strong correlation escalation intensification fight one hand human cost conflict attack health facilities civilian infrastructure syria six-year-old civil war pit president bashar al-assad government support russia iran myriad number rebel factions western-backed islamist militant group military jet believe russian kill least 60 civilians try flee heavy fight oil-rich deir al-zor province small boat target seek cross euphrates river opposition activists former residents war monitor say late wednesday u.s.-led coalition fight islamic state syria carry air strike also cause civilian casualties say go great lengths avoid point point finger mardini say decline identify suspect perpetrators deadly strike non-negotiable respect laws war everywhere syria absolutely critical today syria fight bad since aleppo air strike deadly aid agencies