Typhoon Olga Threatening Philippinesr •MANILA, The Ptulippinea (DPII — Typhoon Olga, with center winds Of 75 miles per hour, blanketed wide areas at the main Philippine island at luwn with heavy rains today and caused flash Hoods hi populous metropolitan Manila,Olga hovered in the Pacific aixxit 200 miles east northeast at Manila before moving on a weit-northwe* trade toward the cocooirt-prpdudng coastal province of Quoon.The Manila weather bmau said that at it* present course Olga, the fourth *orm to hit the Philippines this year, was expected to hit land by lliur-eday morning.