One BSF ASI was injured in an IED blast in Kanker's Koyali bedaÂ area in Chhattisgarh. A set of six IEDs were planted in a series and were set off in one go between village Gome and Gattakal in the area, according to news agency ANI. The state goes to polls on Monday in the first phase of the Assembly election.
A senior police officer said a BSF team came under attack when they wereÂ patrolling the area. A BSF jawan was injured when an improvised explosive device or IED exploded.
Security has been heightened in seven districts of Bastar division and Rajnandgaon district which go to polls in the first phase on Monday.
Around one lakh security personnel have been deployed to ensure smooth conduct of elections. The Naxals have asked voters to boycott the polls.
The 90-member Chhattisgarh Assembly will go to polls in two phases -- on November 12 and 20 -- and the results will be announced on December 11.
The first phase of polls will cover 18 constituencies of eight Naxal-affected districts that include Bastar, Kanker, Sukma, Bijapur, Dantewada, Narayanpur, Kondagaon and Rajnandgaon.