It is a city at war as much with itself as with the outside world.The most populous metropolis in Pakistan, Karachi is a profoundly troubled place, intermittently engulfed in terrible bouts of killing and kidnapping.

"Angelina took them with a bodyguard,” the insider tells Us of the family outing.

At first sight, with its different zones colored different primary colors, it resembles the subway maps of many major capitals.

Only on closer inspection is it apparent that the colors signify the different types of industry that are the particular specialty of each quarter of the city.

It is a city where the police sit huddled in sandbag emplacements for their own safety, and where the foreign consulates now resemble great fortified Crusader castles—which is how the people of Karachi look on them: the unwelcome, embattled bridgeheads of alien powers.

In the American consulate, surrounded by razor wire and a spiral of shrapnel-marked barriers—it is only sixteen months since the last suicide attack on the complex—one can see a map that shows Greater Karachi in all its sprawling complexity.