geneva u.n. refugee agency urge bangladesh tuesday speed vet 15,000 rohingya refugees strand near border cross country myanmar move inland safe good condition 582,000 rohingya know flee since violence erupt aug. 25 northern rakhine state lack access food healthcare u.n. officials say gravely concern humanitarian condition bangladesh thousands new arrivals strand near border unhcr spokesman andrej mahecic tell geneva news brief estimate 10,000 15,000 enter bangladesh anjuman para border cross point since sunday night many describe walk week reach border say advocate bangladesh authorities urgently admit refugees flee violence increasingly difficult condition back home every minute count give fragile condition arrive mahecic say delay due screen bangladesh border guard say emphasize right government u.n. aid agencies access shrink rohingya population northern rakhine state since aug. 25 coordinate insurgent attack police post army campaign u.n. right office liken ethnic cleanse u.n. political affairs chief jeffrey feltman wrap five-day visit myanmar tuesday u.n. spokesman stephane dujarric say feltman saw dozens burn destroy villages northern rakhine dujarric say feltman discussions myanmar military note u.n. experience successful counterterrorism efforts rely exclusively security measure urge support credible investigations allegations human right abuse security officials jens laerke spokesman u.n. office coordination humanitarian affairs ocha say rohingya rakhine face desperate choice whether stay go due violence also humanitarian need nearly 60 percent 582,000 refugees flee myanmar since aug. 25 children thousands cross week unicef spokeswoman marixie mercado say unicef provide clean water every day 40,000 people cox bazar bangladesh instal thousands toilets may stop operations end november unless fund receive say u.n. interagency appeal 434 million rohingya bangladesh host communities 24 percent fund ocha laerke say u.n. urge bangladesh move rohingya refugees strand border