Security has been stepped up along Uttar Pradesh's Nepal border and the three naxal affected districts after 15 security personnel and a civilian were killed in a blast triggered by Maoists in Maharashtra's Gadchiroli on Wednesday.
Since, only 39 of the total 80 Lok Sabha constituencies in UP have witnessed polling in the initial 4 phases so far, the state government has further strengthened the security apparatus.
Many of the 41 constituencies, which will vote in the remaining three phases of Lok Sabha elections on May 6, 12 and 19, are situated along the porous Indo-Nepal border or the Maoist-affected