By Usman Ansari
ISLAMABAD — An attack on a university in the northwestern town of Charsadda shows there are still lessons to be learned by Pakistan's security services, but what additional measures the military can take is uncertain.
The attack was carried out by four terrorists armed with AK-47s and grenades that took advantage of thick winter fog to scale a wall to the rear of Bacha Khan University in Charsadda, some 140km from the capital Islamabad.
Special police units were joined by their army colleagues and members of the special forces, who also used a helicopter to hunt down and kill the attackers. Though the security response was quick, 21 people were killed (not including the four attackers) and 50 injured.
The Pakistani Taliban (TTP) claimed responsibility.
The attack came just more than a year after a December 2014 attack on a school in Peshawar killed over 150, mainly children.
Though today's attack involved far fewer casualties, questions were raised as to what went wrong, and what more can be done to prevent terrorist attacks on what are likely to remain relatively "soft" targets.
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