A fire broke out in the bushes around the runway of Islamabad Airport, reported 24NewsHD TV on Monday.
For about an hour, the fire engulfed both sides of the runway, sources said adding that the fire brigade of the Civil Aviation Authority has failed to extinguish flames so far.
More fire brigade vehicles have been summoned to put the blaze off immediately.
The manager of Islamabad Airport said the fire was started in the bushes but the flight operation has been fully restored.