Malkangiri, Nov 29: A senior official was killed and nine Jawan were critically injured in a suspected Maoist landmine blast near Tadmetal jungle in Sukma of Chhattisgarh along Malkangiri border of Odisha on Sunday.

According to sources, the injured have been admitted to a hospital in Raipur.

Combing operations have been intensified following the incident, the sources added.

The jungles here are a Naxal hotbed as it touches the borders of two other states – Odisha and Chhattisgarh – making it a corridor for Maoists.