The government sounded a red alert across the State and stepped up security measures in the wake of blasts in Hyderabad on Thursday.
Additional Director-General of Police (Law and Order) Bipin Gopalakrishna told The Hindu that the police heads of the districts and the commissionerates have been asked to step up security and carry out anti-sabotage checks at public places, including bus-stands, railway stations and shopping malls, besides mounting a vigil.
Meanwhile, Bangalore City police have stepped up security.
Additional forces have been deployed in sensitive areas while patrolling has been intensified and barricades put up at the entry and exit points in the City to monitor the vehicles.
Security has also been upgraded at government installations while reserve police force and special squads have been instructed to be on guard.