<br/>In Chhattisgarh, Naxalites fired at about half a dozen Police Stations and Camps in South Bastar on Tuesday night. There were intermittent firing at Maraiguda, Konta, Injaram, Vejji and Errapore police stations and rehabilitation camps. The firing at these places occurred simultaneously which was returned by the police. No casualty has, however, been reported in these cross fire. Off late. Naxalites have been giving effect to a number of such incidents in the Bastar division, while observing their protest week. Police sources said that the Naxalites resort to such tactics in order to keep their pressure on the police force. Police across the Bastar area have been put on high alert in view of such incidents.