Complex sentence: Bergman first traveled to Bhopal in March 1986 by bicycle for charity to raise ₤5,000 for the victims of the disaster, but in September he was held in custody on suspected violation of India's National Security Act.
Split into simpler sentences: Bergman first traveled to Bhopal in March 1986 by bicycle for charity to raise ₤5,000 for the victims of the disaster. In September 1986, he was held in custody on suspected violation of India's National Security Act.