Raipur, May 10 (IANS) Maoist guerrillas blew up a police vehicle in the restive Bastar district of Chhattisgarh Tuesday, police said, adding there were no casualties.

 
 "A powerful blast ripped through the Tata-407 vehicle. The driver was seriously injured. An assistant sub-inspector, who was following the vehicle in a car, too was injured. Both were taken to a hospital in Narayanpur," Bastar Superintendent of Police P. Sundarraj told reporters.
 
 The blast took place at Kakori culvert, more than 300 km south of capital Raipur. The vehicle was on its way to Kondagaon police station in Bastar from Narayanpur district, where it had dropped off some police personnel.