sentences:  After the collapse of the Ma'rib Dam and the Ḥimyarite's final annexation of Saba'a, the Kindites headed towards ancient Bahrain but were expelled by the 'Abd al-Qays tribe.The Kindites returned to Yemen, leaving a branch of Kindah in modern Jabal Shammar in Najd, the Levant and Iraq.When some of the Kindites returned to Yemen in the 4th century AD, the Himyarites were at the height of their power, having annexed Hadramout, the last rival South Arabian kingdom.