At least 12 people were killed and nine others injured on Sunday in violent clashes between Rizeigat and Ma'liya Arab tribes in Sudan's East Darfur State, Sudan Tribune reported.

"An armed group from Rizeigat tribe ambushed a group of members of Ma'liya near Khour Ta'an of Yassin locality in East Darfur State," Sudan Tribune quoted a responsible source as saying.

"Seven members of Ma'liya tribe and five from Rizeigat tribe were killed, nine others were injured," the source said.

The conflict between Rizeigat and Ma'liya dates back to 1966 when the first confrontation broke out between the two tribes due to dispute over pasture land claimed by both sides.

The most recent clashes between the two tribes took place in July 2014 where over 600 people were killed and 900 others injured from both sides, while more than 55,000 were displaced.

Source: XINHUA