Hougang by-election: PAP rallies24 May 2012 at 11:55 amLink copiedRead full article1 / 55Choo got emotional temporarily and teared up during his speech. (Yahoo! Singapore/ Alvin Ho)Choo got emotional temporarily and teared up during his speech. (Yahoo! Singapore/ Alvin Ho)Yahoo! Singapore brings you the highlights of People's Action Party's rallies held at Hougang stadium.