PESHAWAR: At least four militants were killed during an attack on a security forces' camp which claimed the lives of two soldiers and wounded nine others in South Waziristan tribal region early on Tuesday.

Four militants attacked a security forces' camp using heavy weaponry in Sara Rogh are of South Waziristan tribal region, according to security officials who wanted not to be named.

Security personnel engaged in retaliatory firing killing three attackers whereas the fourth militant detonated a suicide vest he was wearing and blew himself up.

Security sources said that two soldiers were killed in the attack and nine others sustained injuries.

The attack was carried out by militants of the outlawed Tehrik-i-Taliban Pakistan (TTP), according to TTP spokesperson Shahidullah Shahid.

The attacks come after Prime Minister Nawaz Sharif offered dialogue to "armed militants" last week.

The talks were welcomed by the Punjabi Taliban following which the TTP expelled the head of the Punjabi Taliban over the decision.