Philippine authorities cancelled flights and urged people to move to safer ground as typhoon Koppu approached the main island of Luzon. Rough cut - subtitles .\r<br>\r<br>MANILA, PH -- The northern section of the island of Luzon in the Philippines, including Metro Manila, is bracing for the expected heavy rainfall brought about by .\r<br>\r<br>Source: CNN Typhoon Koppu grew stronger but was moving slower towards the north-eastern Philippines as the government urged local authorities to issue .\r<br>\r<br>Philippines Braces For Catastrophic Typhoon Koppu Philippines Braces for Catastrophic Typhoon Koppu Typhoon Koppu may have started as modest .
