At least two dozen people were killed and more than 40 others wounded in a suicide bombing at a train station in the southwestern Pakistani city of Quetta on Saturday morning, officials said.

       The attack, in Balochistan Province, is the latest in a series of violent episodes in the region, which borders Iran and Afghanistan and is home to major Chinese-led projects such as a strategic port. The province is also home to insurgent separatist groups, notably the Baloch Liberation Army, which claimed responsibility for Saturday’s bombing.

       Police and railway officials said that the explosion occurred on a train platform around 9 a.m., a time when the station is typically crowded with passengers, many traveling north to Peshawar, the capital of Khyber Pakhtunkhwa Province, via the garrison city of Rawalpindi.

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