Saharsa leads Phase 1 polling with 15.27 per cent turnout, while Lakhisarai records the lowest at 7 per cent.
Deputy CM Vijay Kumar Sinha seeks a fifth term in Lakhisarai; Saharsa witnesses a high-stakes triangular contest.
Voting underway across 121 constituencies, including Naxal-affected Bhim Bandh, with tight security measures in place.
