<br/>In Chhattisgarh, at least 20 CRPF personnel were killed in an attack by Naxalites in Dantewada district early today. The attack took place when a CRPF patrol party was returning from a road opening duty in the naxalite-infested Mukrana forest in the district this morning. Chhattisgarh Director General of Police Viswa Ranjan said that they have rushed helicopters to evacuate the casualties.<br/><br/> The death toll in the attack may rise as many of the personnel have been seriously injured.The firing was continuing between police and the naxalites when reports last came in.