Complex sentence: But according to state-run investigations on August 6, no one has jumped off the bridge, and two people, Mr Jiang (蔣) and his son were responsible for spreading the false suicide news.
Split into simpler sentences: But according to state-run investigations on August 6, no one has jumped off the bridge. And that two people, Mr Jiang (蔣) and his son were responsible for spreading the false suicide news.