The train hijacking in south-western Pakistan represents a major escalation in the region’s long-running insurgency.

The BLA is one of the largest militant outfits demanding independence for Balochistan. It is designated as a terrorist group by Pakistan as well as the US.

At least 31 people were killed during a two-day train siege in southwestern Pakistan carried out by militants, the country's army spokesman said on Friday. Eighteen soldiers and paramilitary personnel,