Complex sentence: The king and Tutsi politicians attempted a fightback, seeking to seize power and ostracise the Hutu and Belgians, but were thwarted by Belgian colonel Guy Logiest, who was brought in by the colonial governor.
Split into simpler sentences: The king and Tutsi politicians attempted a fightback, seeking to seize power and ostracise the Hutu and Belgians. This plan was thwarted by Belgian colonel Guy Logiest, who was brought in by the colonial governor.