At least four people, including three civilians, were killed after Naxals triggered a blast on a bus near Bacheli in Chhattisgarh's Dantewada on Thursday.
The attack has come just days ahead of the first phase of voting for the state assembly elections, in which 18 constituencies, mainly in the Naxal-affected areas, will go to polls.
Just eight days ago, two Chhattisgarh police personnel and a Doordarshan cameraman were killed in a Naxal attack in Aranpur village of Dantewada district.
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