UNITED NATIONS - United Nations experts are warning of a possible food shortage in Pakistans northwest following widespread damage caused by flash floods that followed heavy monsoon rains, a UN spokesperson said Monday. Spokesperson Marie Okabe told a news briefing that the UN was conducting an assessment of the damage caused by the floods in which 27 people have died, with nine missing. She said the current humanitarian needs include medicine, tents, drinking water and aqua tabs. Up to 450 homes were destroyed by the floods, along with a massive loss of crops and livestock, Ms Okabe said. The spokesperson said local officials are reporting that some 80,000 people have been affected by the floods in the Swabi District, with officials declaring a state of emergency for a number of towns.