KALPETTA: UDF candidate Priyanka Gandhi is surging ahead in Wayanad where parliamentary by-polls was held to fill the seat left by Rahul Gandhi. Since the counting of votes started at 8 am, Priyanka Gandhi has been increasing her lead. Priyanka Gandhi is leading by more than 25,000 votes when the latest figures came out. Priyanka is leading since the counting of postal votes started.