MANILA, Philippines — The water levels of six out of nine monitored dams across the country increased over the past 24 hours, the state weather bureau said on Saturday. In its 8 a.m. update, the Philippine Atmospheric, Geophysical and Astronomical Services Administration (Pagasa) said the water levels of Angat, Ipo, Ambuklao, San Roque, Pantabagan and Magat