Two Chinese nationals were wounded on Tuesday by a security guard who opened fire at a garment factory in Pakistan's commercial hub Karachi, in the latest in a string of attacks that have spurred Beijing to demand better security for its citizens.

Authorities say a Pakistani guard shot and wounded two Chinese nationals working in a textile mill in the southern port city of Karachi, but the attack was not related to militant violence.

Two Chinese nationals were shot and injured by a security guard at a textile factory in Karachi, Pakistan. The incident is thought to be the result of