Pakatan Harapan’s Ayer Hitam parliamentary seat candidate Liew Chin Tong said he had called for a debate with his opponent Datuk Seri Dr Wee Ka Siong over the ongoing billboard issue.<br />Liew said this when responding to the issue where Dr. Wee questioned his intention of challenging him to an open debate.<br />Liew also said Dr Wee should accept the challenge for a face-to-face discussion on political issues.