Complex sentence: On 21 September, in one of the largest union flag protests seen in Belfast since January, more than 3,000 loyalists took part in a parade organised by Loyalist Peaceful Protestors.
Split into simpler sentences: On 21 September, in one of the largest union flag protests seen in Belfast since January. More than 3,000 loyalists took part in a parade organized by Loyalist Peaceful Protestors.