Complex sentence: At 10:38 AM on 21 June 2015, Kent Police were informed of Thompson's death: the fire brigade and a crane were needed to take him out of his flat, a task which took several hours.
Split into simpler sentences: At 10:38 AM on 21 June 2015, Kent Police were informed of Thompson's death. The fire brigade and a crane were needed to take him out of his flat, a task which took several hours.