Chhattisgarh: Chhattisgarh Assembly Speaker Raman Singh expressed grief over the demise of officer in a Naxalite-triggered pressure IED blast on Monday. Earlier today, a pressure Improvised Explosive Device (IED) blast occurred near Dondra on Konta-Errabora road, due to which ASP Konta Division, Sukma district, Akash Rao Giripunje sustained serious injuries, according to IG Bastar P.