Lilies cause floods MANILA: More than half a million people in the southern Philippines have been affected by flooding after water lilies __the country's second-longest river, officials said yesterday.the lilies___a section of the 320 km-long Rio Grande ,preventing the water from__ into the Moro Gulf to the southwest of Mindanao island after strong rains over the past wee, authorities said. The Rio Grande is the longest river in the Philippines's main southern island of Mindanao, and is the country's second-largest river system overall. "The growth was about to feet [three meters] thick in some areas and so tightly___ that they [the troops] could___on top of it," regional military spokesman Colonel Prudencio Asto said. AFP