Complex sentence: Residents blamed police for the deaths and the subsequent riots lasted for four nights and involved at least 150 teenagers clashing with New South Wales police officers hurling rocks, bottles, bricks, Molotov cocktails and setting cars alight.
Split into simpler sentences: Residents blamed police for the deaths and the subsequent riots lasted for four nights--they also involved at least 150 teenagers clashing with New South Wales police officers. The teenagers hurled rocks, bottles, bricks, Molotov cocktails and set cars alight.