The haze caused by Taal's volcanic smog or "vog" has spread over Metro Manila causing the suspension of classes in some cities on Friday, Sept. 22.<br /><br />Phivolcs explained that the composition of vog can cause eye, throat and respiratory tract irritation with severities depending on the gas concentrations and durations of exposure. (MB Video by Mark Balmores)<br /><br /><br />Subscribe to the Manila Bulletin Online channel! - https://www.youtube.com/TheManilaBulletin<br /><br />Visit our website at http://mb.com.ph<br />Facebook: https://www.facebook.com/manilabulletin <br />Twitter: https://www.twitter.com/manila_bulletin<br />Instagram: https://instagram.com/manilabulletin<br />Tiktok: https://www.tiktok.com/@manilabulletin<br /><br />#ManilaBulletinOnline<br />#ManilaBulletin<br />#LatestNews
