One policeman was killed while six others were injured when a fellow police officer shot at them with his gun.
The incident took place at the Reserve Police Center in the Baldia Town area of Karachi.
The injured policemen, who have been hospitalised, told media that constable Farooq suddenly opened fire at them when they were sitting together.
According to sources, the constable who fired shots at his fellow policemen is mentally ill. He was arrested by the police.
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