A new poll puts the ruling party's candidate ahead in the race for New Taipei mayor, but her rival's team says its own internal numbers show the opposite.

• Era Survey has Democratic Progressive Party candidate Su Chiao-hui at 37.8% against Kuomintang candidate Lee Si-chuan at 32.2%, a gap of about 6 points.
• Su's camp says the result matches other polls it has seen and points to growing support on the campaign trail.
• Lee's camp says its internal polling shows him steadily ahead and calls the poll's sample skewed, with far too many DPP-leaning respondents for New Taipei.
• Lee is campaigning on transport and rail projects, urban renewal and labor policy, pitching himself as the successor to current mayor Hou Yu-ih.

Outlook: Expect duelling poll releases and sharper attacks on sampling methods as New Taipei shapes up to be one of Taiwan's most closely watched local races.