Complex sentence: He was also involved in a dispute in the run up to the election with rival councillor Peter Britcliffe who implied that Jones had other undeclared property interests by repeatedly shouted "two houses" at Jones during a council meeting.
Split into simpler sentences: He was also involved in a dispute in the run up to the election, with rival councillor Peter Britcliffe, who implied that Jones had other undeclared property interests. This was by repeatedly shouted "two houses" at Jones during a council meeting.