Complex sentence: Kittur Chennamma protested and closed the gates of the fort and Thackeray ordered to blow up the gates, when one of the Chennamma's soldiers shot at Thackeray.
Split into simpler sentences: Kittur Chennamma protested and closed the gates of the fort. Thackeray gave the order to blow up the gates, and in the meantime, one of Chennamma's soldiers shot at Thackeray.