<p>Tents are seen from the air at a camp set up by the Pakistan Army for thousands of Pakistanis displaced by flood waters in Sukkar, Sindh province, southern Pakistan, Tuesday.</p>
August 25, 2010
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August 25, 2010 9 p.m.
UN says 800,000 cut off by floods
ISLAMABAD (AP) - Floods have isolated about 800,000 people in Pakistan who are now only reachable by air and aid workers need at least 40 more helicopters to ferry lifesaving aid to the increasingly desperate people, the United Nations said.