Complex sentence: Government officials in Rakhine State initially blamed the Rohingya Solidarity Organisation (RSO), an Islamist insurgent group mainly active in the 1980s and 1990s, for the attacks but a group calling itself Harakah al-Yaqin ("Faith Movement") later claimed responsibility.
Split into simpler sentences: Government officials in Rakhine State initially blamed the Rohingya Solidarity Organisation (RSO), an Islamist insurgent group mainly active in the 1980s and 1990s, for the attacks. A group calling itself Harakah al-Yaqin ("Faith Movement") later claimed responsibility.