Complex sentence: Both the Issa and Gurgura Liberation Front and the Oromo Liberation Front claimed the city; as a result, there were numerous clashes between the two groups from 1991 until 1993.
Split into simpler sentences: Both the Issa and Gurgura Liberation Front and the Oromo Liberation Front claimed the city. As a result, there were numerous clashes between the two groups from 1991 until 1993.