Pakistani security officials comb the site of a bomb explosion near a Shiite Muslim mosque in Karachi on November 21, 2012. Militants hit Pakistani security forces on the eve of a major international summit, killing 10 people in regional flashpoints on Wednesday as delegates arrived in the capital Islamabad. The attacks were a reminder of the security challenges in a country that has been plagued by Taliban and Al-Qaeda-linked violence since the 9/11 attacks and comes during the holy month of Muharram, a magnet for sectarian attacks. (AFP/Getty Images)
From underwater mining to luxury yachts, Mohammed Al Barwani has interests in a staggering range of industries. The chairman of MB Holding explains how he built the firm from scratch to become a billion-dollar player.