Following the incident, all inter-state borders have been sealed. Security has also been heightened at dams, railway stations, bus stands and other vital installations.
New Delhi, May 10: The Intelligence agencies have sounded a high alert following the attack at Mohali on Monday. The attack raised huge concerns since it was a suspected a rocket-propelled grenade (RPG) attack.
While the Punjab Police have rounded off some suspects and questioning them, it is yet to be ascertained who could have been behind the attack. An official tells OneIndia on condition of anonymity, that they are not ruling out the role of pro-Khalistan elements.
Vicky Nanjappa 
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