A Pakistani separatist group has said it was behind a bombing outside Karachi's main airport that killed two Chinese workers.

A Pakistani separatist group has claimed responsibility for a late night bombing that targeted a convoy with Chinese nationals outside Karachi’s airport, killing two workers from China and wounding ei

Footage of the blast showed flames engulfing cars and a thick column of smoke rising from the scene. One civil aviation worker said the explosion shook airport buildings.