Following an exchange of fire between troops and Naxals in Bijapur, Chhattisgarh, at least 22 security personnel were killed and 31 were seriously injured. According to the Chhattisgarh Police, at least 12 Maoists were killed and 16 were wounded in the gun fight that followed the ambush. In the deadliest Naxal assault in four years, one soldier is still suspected to be missing.