MANILA, Philippines — The state weather bureau upgraded on Friday morning its heavy rainfall warning for Metro Manila and Cavite as Typhoon Pepito (international name: Man-yi) approaches Luzon. Pepito was last spotted 630 kilometers (kms) east of Guiuan, Eastern Samar, according to the Philippine Atmospheric, Geophysical and Astronomical Services Administration (Pagasa) in its 11 a.m.