China’s strategic ambition to extend its maritime power across the Indian Ocean is hitting severe obstacles in the giant, volatile Pakistani province of Balochistan. Beijing’s priority is to develop the sleepy Baloch fishing port of Gwadar, 300 miles west of Karachi, to project its commercial and naval influence further west. But kidnappings, drive-by shootings and bomb attacks in the past few weeks and months offer a chilling warning that China will have to pay a high price for a deep-water harbour near the mouth of the Persian Gulf.