A roadside bomb has killed a senior commander of Pakistani Taliban and his four guards in the restive South Waziristan, officials said Thursday.

A remote-controlled bomb targeted Commander Ghula Jan Wazir’s vehicle in in Bermal tehsil near Wana in South Waziristan tribal agency.

Commander Jan and his four personal guards were killed at the scene, officials said.

Analysts say that the slain commander was among the key commanders of the Tehrik-e-Taliban Pakistan.

No group claimed responsibility for the attack.

Official sources say that the attack could be the result of internal rift of the Taliban. Several Taliban groups are operating in the region.

The main Taliban group has already signed peace deal with the security forces.