Pakistan rejects airspace used for US drone strike to kill al-Qaeda leader.

ISLAMABAD -- Pakistan has categorically rejected reports that its airspace had been used for a United States drone strike in Kabul that killed al-Qaeda chief Ayman al-Zawahiri.

The United States killed Zawahiri with a missile fired from a drone while he stood on a balcony at his Kabul hideout on Sunday, US officials said, in the biggest blow to the militants since US Navy SEALS shot dead Osama bin Laden more than a decade ago.

'I would refer you to the statement that we have issued (earlier) on this incident, and that is our stated position. There is no evidence of this action having been undertaken using Pakistan's airspace, so this is something that I can add to that,' the spokesperson said at the Foreign Office during the weekly media briefing.

In its earlier statement on August 2, the spokesman issued a vague statement on the US drone strike, saying that Pakistan stands by countering terrorism in accordance with international law and relevant UN resolutions.

There was no mention of al-Zahawiri and he had made no mention of Pakistan's airspace not being used.

'As I said, our statement contains what we had to say. Our (earlier) statement needs to be mentioned in its totality. We said that Pakistan stands by countering terrorism in accordance with international law and relevant UN resolutions. So that's a very clear statement,' the spokesperson added.

While referring to various UN resolutions on countering terrorism, he pointed out that there are various international obligations under these resolutions.

'Regarding al-Qaeda, I think it is clear...