At least five policemen were killed and one person was injured in two separate incidents of firing at police mobiles in Hyderabad city of Pakistan's Sindh province Tuesday night, Xinhua reported.
The first incident took place at about 7.45 p.m. when some unidentified gunmen, riding motorbikes, opened fire at a police mobile in the city's Latif Abad area.
Police said that the killed policemen, working for A-Section police station of the city were attacked, when they stopped at the main road for checking passing vehicles.
The attackers fled the scene soon after the incident.
In another incident, firing took place in almost the same area when some unidentified gunmen sprayed bullets at a police mobile, killing one policeman and injuring another.
No group claimed responsibility for any of the attacks.