Taipei's mayor is brushing off renewed questions about his family bloodline and a conflict-of-interest complaint, a political headache ahead of the city's next mayoral vote.

• Chiang Wan-an said he is tired of DNA being dragged into every election, noting he faced the same demand four years ago.
• The son of Kuo Li-po has said he is willing to take a genetic test, keeping the paternity dispute alive.
• A separate complaint targets Chiang over his son's exchange trip to the US, raising conflict-of-interest questions for a public official.
• Chiang says the city's ethics office already cleared him, and that he properly disclosed the father-son link and his government post.
• Rival candidate Shen Po-yang is campaigning on a plan for hiking and culture trails with three mountain tourism centers.

Outlook: Expect both the bloodline fight and the subsidy disclosure question to keep resurfacing as the Taipei race sharpens.