According to local authorities in southern Kandahar province, unknown gunmen assassinated security chief for 15th district in southern Kandahar city on Saturday.

The officials further added the incident took place around 9 am local time at Deh-Khwaja area in Kandahar city while Misteri Rahmatullah security chief for 15th district of southern Kandahar city was on his way towards his work place.

Provincial governor spokesman Javid Faisal confirming the report said the assailant militants managed to flee the area and Afghan security forces have launched a search operation to detain those involved behind the attack.

No group including the Taliban militants have so far claimed responsibility behind the incident.

In the meantime local security officials in Kandahar province announced at least 6 people including three Afghan civilians and three Taliban militants were killed at Shahwali-Kot district.

Provincial police chief Gen. Abdul Razaq said militants murdered three Afghan civilians for supporting the Afghan government in Boji area last night.

Gen. Abdul Razaq further added Afghan security forces killed three Taliban militants on Friday afternoon at Kajor area in this province.(AOP)