Old and the new draw battle lines
Rising political stars and long-time rivals will be locked in a battle that could redraw the boundary between the democratic and pro-Beijing camps in Kowloon East.
Interest has intensified with an extra seat up for grabs and the withdrawal of Democratic Party heavyweight Szeto Wah.
Prominent barrister Alan Leong Kah-kit is taking to the hustings for the first time in an area that is a mixture of low-income and middle-class households.
Democrat Fred Li Wah-ming and his running mate Wu Chi-wai have formed their own list, while Andrew To Kwan-hang of The Frontier is mounting a solo campaign.
A similar split strategy is being adopted by the left-wing Federation of Trade Unions and the Democratic Alliance for Betterment of Hong Kong.
Incumbent legislator Chan Yuen-han is expected to team up with Lam Man-fai, while Chan Kam-lam is understood to be running with Choi Chun-wa, one of the federation's vice-chairmen.