Philippine National Police (PNP) chief Alan Purisima admits that he voluntarily decided to resign. However, he denies the speculations that he is involved in the bloody encounter in Mamasapano, Maguindanao. <br /><br />Subscribe to ABS-CBN News channel! <br />http://bit.ly/TheABSCBNNews<br /><br />Watch the full episodes of Bandila on TFC.TV <br />http://bit.ly/BANDILA-TFCTV<br />and on IWANT.TV for Philippine viewers, click:<br />http://bit.ly/BANDILA-IWANTV<br /><br />Visit our website at http://www.abs-cbnnews.com<br />Facebook: https://www.facebook.com/abscbnNEWS<br />Twitter: https://twitter.com/abscbnnews