Security was tightened throughout the capital on Sunday evening, after a high alert was issued.
According to DIG Operations Islamabad, heavy contingents of law enforcement officials were deployed to all entry and exit points of Islamabad.
Additionally, police and Rangers were also dispatched to other important installations.
“All possible steps would be taken for maintenance of law and order in the city,” he said.
A police spokesperson said that no entity will be allowed to block any roads or highways.
More to follow.