yangon myanmar authorities find 10 body bury mass grave edge village rakhine state military-run newspaper myawady report tuesday day army say launch investigation site 650,000 rohingya muslims flee rakhine state seek refuge neighbor bangladesh recent months violent crackdown myanmar security force response attack militants right monitor accuse troop atrocities include kill mass rape arson crackdown unite state say amount ethnic cleanse myanmar military say internal investigation exonerate security force accusations atrocities team include police local administrator judge doctor examine grave site village inn din 50 km 30 miles north state capital sittwe tuesday discover 10 unidentified body myawady say group continue process investigation uncover truth report say military officials immediately available comment discovery mass grave near cemetery village announce statement army commander-in-chief official facebook page monday village maungdaw township one areas bad affect violence prompt unite nations top human right official allege myanmar security force may commit genocide rohingya myanmar arm force launch term clearance operations northern rakhine many stateless muslim minority live rohingya militants attack 30 police post army base aug. 25. myanmar civilian leader aung san suu kyi face fierce international criticism fail protect rohingya civilian government control military say army engage legitimate counter-insurgency operations promise investigate allegations abuse rakhine give evidence ten body find mass grave myanmar army newspaper