Although Karachi is the most ethnically diverse city in Pakistan and is known for its violence, current levels of violence are hearken back to the 1990s, when the Pakistan Army was ordered to restore order.
To bolster tenuous progress, the Army must push on to drive the Taliban out of Swat Valley, according to some analysts.
The tenuous peace deal with the militants comes under increasing strain as Taliban take areas closer to Pakistan’s capital.
They have taken control of Buner next door and made forays into two more districts.
They swarmed the neighboring district of Buner and secured the right to preach in mosques there.