Complex sentence: The entire airport was cordoned off by Army personnel, the elite commandos belonging to Haideri Company, 7th Commando Zarrar Battalion, SSG Division had been put on alert for a possible storming of the plane.
Split into simpler sentences: The entire airport was cordoned off by Army personnel. The elite commandos belonging to Haideri Company, 7th Commando Zarrar Battalion, SSG Division had been put on alert for a possible storming of the plane.