Should we choose to extend our airstrikes into Syria, we will be doing this in the collective self-defence of Iraq. We would be doing this out of a responsibility to protect innocent people at risk of horrible death from the most violent people imaginable.Should we choose to extend our airstrikes into Syria, we will be doing this in the collective self-defence of Iraq. We would be doing this out of a responsibility to protect innocent people at risk of horrible death from the most violent people imaginable.