cox bazar bangladesh/yangon thousands rohingya muslims flee violence myanmar try cross border bangladesh bangladeshi security officials say saturday fresh fight erupt myanmar northwestern rakhine state death toll widespread attack stag rohingya insurgents friday climb 96 include nearly 80 insurgents 12 members security force government say prompt evacuate staff villagers areas attack mark dramatic escalation conflict simmer since last october similar offensive prompt major military sweep beset allegations serious human right abuse treatment approximately 1.1 million muslim rohingya mainly buddhist myanmar emerge big challenge national leader aung san suu kyi late friday condemn morning raid insurgents wield gun stick homemade bomb assault 30 police station army base nobel peace prize laureate accuse western critics speak long-persecuted muslim minority defend army counteroffensive october attack 3,000 rohingya arrive naf river separate myanmar bangladesh saturday manzurul hassan khan bangladeshi border guard commander tell reuters 500 rohingya mostly women children spend last night marshy area wait cross say khan protect whole night today go back reuters reporters saw hundreds rohingya cross bangladesh near border village gumdhum gun shots could hear myanmar side could see squat marshy area hide bush border guard manage escape shoot myanmar try enter bangladesh wait night push back bangladesh border guard last night morning manage enter somehow say hamid hossain 42 cross bangladesh saturday group three families 25-year-old man whose relatives say shoot myanmar security force friday die carry bangladesh treatment bury near refugee camp close border saturday accord camp resident mohammed shafi say witness burial bangladesh foreign ministry saturday say concern thousands unarm myanmar nationals assemble near border enter country rohingya flee myanmar bangladesh since early 1990s around 400,000 country source tension two nations regard country citizens myanmar government say several large clash involve hundreds rohingya across northwestern rakhine saturday fierce fight take place outskirts major town maungdaw near alodaw pyae buddhist monastery maungdaw resident nay myo lin 27 tell reuters telephone security force open fire score appear muslim men gun near monastery police shoot break group men shoot back direction entrance gate city say nay myo lin fight go throughout day stick monastery dare go sound gunshots stop run house say fearful rakhine buddhist residents maungdaw town gather home men stand guard windows say ohmar lin female resident town go house ready fight prepare knives stick protect come say unite nations security team send internal update staff clash see reuters say myanmar government officials assure u.n. readiness provide troop secure compound become necessary government say statement extremist bengali terrorists attack use man-made mine ... swords stick gun also kill islamic religious people faith village administrators term bengali see derogatory many rohingya imply illegal immigrants bangladesh although many trace family myanmar generations myanmar army operation last year heavily criticise internationally amid report civilian kill rape arson unite nations investigation say probably constitute crimes humanity suu kyi block u.n.-mandated probe allegations aid workers monitor worry late attack across wide area october violence spark even aggressive army response trigger communal clash muslims buddhist ethnic rakhines nearly 200 people kill around 140,000 displace communal violence state 2012. statement late friday suu kyi strongly condemn brutal attack terrorists security force rakhine state would like commend members police security force act great courage face many challenge add government say evacuate officials teachers hundreds villagers army base main police station evacuate helicopters take security force military source base rakhine tell reuters arakan rohingya salvation army arsa instigate october attack claim responsibility offensive present defence myanmar army myanmar declare arsa previously know harakah al-yaqin terrorist organisation wake attack thousands rohingya flee bangladesh fresh violence erupt myanmar