Complex sentence: During the Men's marathon 10km, he was involved in an incident involving Britain's Jack Burnell, a strong favourite to win, where he allegedly held back the swimmer in the water, Jack Burnell lashed out in response and was hence disqualified.
Split into simpler sentences: During the Men's marathon 10km, he was involved in an incident involving Britain's Jack Burnell who was a strong favourite to win. He allegedly held back the swimmer in the water, Jack Burnell lashed out in response and was hence disqualified.