yangon/shah porir dwip island bangladesh myanmar sunday rebuff ceasefire declare muslim rohingya insurgents enable delivery aid thousands displace people violence-racked state rakhine declare simply negotiate terrorists attack militants police post army base aug. 25 prompt military counter-offensive trigger exodus rohingya bangladesh add hundreds thousands already previous spasms conflict accord late estimate u.n. workers cox bazar region southern bangladesh 294,000 many sick wound arrive 15 days put huge strain humanitarian agencies operations thousands rohingya remain north-western state rakhine leave without shelter food many still try cross mountains dense bush rice field reach bangladesh arakan rohingya salvation army arsa insurgent group declare month-long unilateral ceasefire start sunday aid could reach people impact arsa move unclear appear able put significant resistance military force unleash rakhine state thousands home burn dozens villages destroy arsa declaration draw formal response military government buddhist-majority myanmar however spokesman myanmar leader aung san suu kyi say twitter policy negotiate terrorists myanmar say security force carry clearance operations defend arsa government declare terrorist organisation human right monitor flee rohingya say army rakhine buddhist vigilantes mount campaign arson aim drive rohingya whose population estimate around 1.1 million dozen muslim villages burn friday saturday ethnically mix rathedaung region rakhine two source monitor situation say slowly one another villages burn believe rohingyas already wipe completely rathedaung say one source chris lewa arakan project rohingya monitor group unclear torch villages independent journalists allow area cox bazar reuters journalists saw wave rohingya arrive sunday crowd desperate people mostly women children queue handouts food clothe 300 people arrive small boat fish trawlers shah porir dwip island short distance mouth naf river separate two countries flow bay bengal many collapse beach motion sickness dehydration three rohingya kill landmines saturday try cross myanmar bangladeshi border guard say amnesty international say two landmine incidents sunday include blast blow man leg indications point myanmar security force deliberately target locations rohingya refugees use cross point tirana hassan amnesty international crisis response director say statement cruel callous way add misery people flee systematic campaign persecution say myanmar military source tell reuters last week landmines lay along border 1990s prevent trespass military since try remove none plant recently dipayan bhattacharyya world food programme spokesman bangladesh say late estimate new arrivals 294,000 discussions underway revise prediction make last week would reach 300,000. government bangladesh plan influx 400,000 additional superintendent police cox bazar afruzul haque tutul tell reuters unite nations appeal aid fund 77 million cope emergency southern bangladesh wave hungry traumatise refugees show sign stop u.n. resident coordinator bangladesh robert watkins say statement late saturday vital aid agencies work cox bazar resources need provide emergency assistance incredibly vulnerable people force flee home arrive bangladesh nothing say international crisis group say report strife rakhine cause humanitarian crisis also drive risk country five-year-old transition military rule stumble rohingya communities radicalised regional stability weaken say aung san suu kyi come international pressure halt violence critics complain suu kyi nobel peace prize champion democracy fail speak minority long complain persecution insurgents truce myanmar say 'we n't negotiate terrorists