Thousands of supporters from BN and PAS gathered early this morning at the Dewan Tok Madi in Yan for the official kick-off of Sungai Limau's by-election campaign. Pary bigwigs like BN's Muhyiddin Yassin and Zahid Hamidi as well as PAS's Hadi Awang and PKR's Azmin Ali showed up to back their respective candidates - PAS' Mohd Azam Samat , 37, a local boy with ulama ties and BN's Ahmad Sohaimi Lazim, 52, a former university lecturer.