A plainclothes police officer surveys the site of an attack at the Pakistan Stocks Exchange in Karachi on Monday.

A plainclothes police officer surveys the site of an attack at the Pakistan Stocks Exchange in Karachi on Monday.
A plainclothes police officer surveys the site of an attack at the Pakistan Stocks Exchange in Karachi on Monday.

A plainclothes police officer surveys the site of an attack at the Pakistan Stocks Exchange in Karachi on Monday.