Senate Blue Ribbon Committee chairman Teofisto Guingona III on Tuesday confirmed his committee will investigate his own party-mate, Senate President Franklin Drilon, over the alleged overpricing of the P700 million Iloilo Convention Center.<br /><br />Subscribe to ABS-CBN News channel! - http://bit.ly/TheABSCBNNews<br /><br />Watch the full episodes of UKG on TFC.TV <br />http://bit.ly/UKG-TFCTV<br />and on IWANT.TV for Philippine viewers, click:<br />http://bit.ly/UKG-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