New Delhi: Security vigil across the country, particularly in Metro cities, was stepped up after three explosions rocked Mumbai on Wednesday evening, official sources here said.
According to Home Ministry officials, all state governments have been asked to heighten security measures.
"All the state governments have been asked to increase police patrolling and keep forces on high alert," a Home Ministry official said.
The national capital was placed on high alert and vigil was stepped up at all vulnerable areas. Security has been heightened in Chandni Chowk, Connaught Place, Greater Kailash, Karol Bagh, Mehrauli and Sarojini Nagar.
Police in Hyderabad, Tirupati, Visakhapatnam and other major towns in Andhra Pradesh were also put on high alert. Police tightened security at railway and bus stations, markets, historical, religious and public places and started checking vehicles at various points in the twin cities of Hyderabad and Secunderabad. (Read: Hyderabad, Tirupati on high alert)
Kolkata Police Commissioner Ranjit Pachnanda, who went round parts of the city to monitor the security preparedness Wednesday night, said "we are on high alert. Security has been intensified around multiplexes, malls, hotels, restaurants, shops and bus stands".