Karachi- Domestic and international flights were delayed due to the unusual security measures at Jinnah Terminal of Karachi today. According to media reports the airport authorities have failed to mention the cause of unusual security and deployment of military troops at the country’s biggest airport. Civil Aviation staff and employees of airline companies were stopped from entering the airport due to security measures. However, they were allowed to enter the airport after strict monitoring. Additional patrolling by Pakistan Army was witnessed around the airport area whereas the routes leading to Old Terminal and Airport Security Force (ASF) Headquarters were sealed. It should be noted that 30 people, including 10 Taliban terrorists, were killed when militants stormed the airport on 8th June 2014.