It is mind-boggling that such an audacious attack should be possible in such a major airport in a major city. What does it say about the state of Karachi, and of Pakistan, that it was able to happen at all?
Several reports released this week are adding pressure on the US to disclose information about its deadly drone programme and civilian casualties.
Pakistan’s militant and extremist organisations are increasingly aware of the importance of the internet, says Samira Shackle.
Imran Khan's diary.
What is behind the the sudden upsurge of violence towards polio vaccinators in Pakistan?
Samira Shackle talks to members of the Ahmadiyya, a minority numbering 4 million. The Ahmadis are branded as "non-Muslims", suffer violent attacks on their mosques and will boycott this weekend's elections.
The Hazara are a Shia minority who face constant persecution in Pakistan. Ruquiya Hashmi - the first female Hazara candidate for the national assembly - faces death threats daily.
Throwing acid, along with other forms of gender-based violence, is endemic in Pakistan and elsewhere. Often, the victims are already disenfranchised, poor, and from conservative backgrounds - they have nowhere else to turn.
"I want to reach the assembly to become a voice for women, especially those living in the tribal areas."
There are still challenges to be overcome, but merely surviving is something of an achievement.