Voting for the bye-elections to Gorakhpur and Phulpur Lok Sabha seats, which began on a dull note on Sunday, picked up momentum by noon amid tight security arrangements to ensure free and fair polling. The Lok Sabha by-election has witnessed a high-pitched battle between Yogi Adityanath-led BJP and Akhilesh Yadav’s SP. In 2014, the ruling BJP won both the seats in the 2014 general elections and also swept the state Assembly polls last year. However, this time the party will face a new challenge as the SP contestants have the backing of BSP. Watch News Nation's special show Nation Reporter to know more details regarding the same.