<p>All checkpoints along Jammu-Pathankot highway have been put on alert and security strengthened following an incident of carjacking by unidentified armed persons in the neighbouring Punjab, a police official said on Saturday.</p>.<p>The director general of Punjab Police had sounded an alert in his state, Himachal Pradesh and Jammu and Kashmir after three persons snatched a private car from its owner after injuring him with a firearm in Dinanagar area of Gurdaspur on Friday evening.</p>.<p>"After receipt of communication from the Punjab DGP, all the checkpoints have been alerted and security strengthened as a preventive measure to deal with any situation," the police official said.</p>.<p>He said the patrolling in the areas bordering Punjab was also intensified during the night.</p>.<p>"A close vigil is being maintained to nab the assailants if they try to enter Jammu and Kashmir," the official said. </p>
<p>All checkpoints along Jammu-Pathankot highway have been put on alert and security strengthened following an incident of carjacking by unidentified armed persons in the neighbouring Punjab, a police official said on Saturday.</p>.<p>The director general of Punjab Police had sounded an alert in his state, Himachal Pradesh and Jammu and Kashmir after three persons snatched a private car from its owner after injuring him with a firearm in Dinanagar area of Gurdaspur on Friday evening.</p>.<p>"After receipt of communication from the Punjab DGP, all the checkpoints have been alerted and security strengthened as a preventive measure to deal with any situation," the police official said.</p>.<p>He said the patrolling in the areas bordering Punjab was also intensified during the night.</p>.<p>"A close vigil is being maintained to nab the assailants if they try to enter Jammu and Kashmir," the official said. </p>