The police in Maoist-hit areas of West Bengal, Jharkhand, Orissa, Andhra Pradesh and Maharashtra were put on high alert on Tuesday and patrolling intensified in the wake of the massacre of 75 securitymen in Chhattisgarh's Dantewada district.
"All police stations and camps have been asked to be on maximum alert and personnel directed to intensify patrolling and vigilance, particularly in three Maoist-hit districts of Midnapore, Bankura and Purulia," West Bengal IGP (Law and order) S Purkayastha said in Kolkata.
Additional security steps have been taken in Maoist-hit areas as instructed by Union Home Minister P Chidambaram during his weekend visit here, Chief Secretary Asok Mohan Chakraborty said.
An alert was sounded also in naxal-hit distrcits of Bihar and all Superintendents of Police there were asked to step up combing operations against Maoists, DGP Neelmani said, adding all precautionary measures were being taken in 16 of the 38 districts of Bihar that are affected by the left-wing extremism.
Andhra Pradesh DGP RR Girish Kumar said police had been told to be specially vigilant in the districts bordering Chhattisgarh, Orissa and particulary Andhra-Orissa-Bihar region.
In Jharkhand, high alert has been sounded across the state where 18 of the 24 districts are hit by Maoists.
Police in Naxal-hit districts of Orissa, where the Maoists killed 11 policemen earlier this week, were put on high alert following the Chhattisgarh incident, said Home Secretary A P Padhi.
Maharashtra police also tightened vigil at all Naxal-affected regions, particularly eastern part of Vidharba.
Superintendent of police (Ghadchiroli) S Jaikumar said an alert was issued especially in the region and areas bordering Chhattisgarh. Police have been told to guard against IED and land mines, he said.
A fresh alert has been issued in Uttar Pradesh's Naxal-hit districts of Mirzapur, Chandauli and Sonbhadra, which shares its border with Chattisgarh, and close to 900 of Central Para Military Force personnel and more than 1600 men of Provincial Armed Constabullary have been deployed there, Additional DGP (Law and Order) Brij Lal said in Lucknow.
"We are on alert but after today's Naxal attack in Chattisgarh vigil has been stepped up further," he said.