The Secretary for Constitutional and Mainland Affairs, Mr Stephen Lam (right), visits the polling station for the Yuen Long District Council Shap Pat Heung North Constituency by-election set up at the Buddhist Wing Yan School, Fung Yau Street South, Yuen Long, this morning (June 26). Photo shows Mr Lam chatting with Presiding Officer, Mr Eric Lau (centre), and Returning Officer, Mr Yeung Tak-keung.   Close