Complex sentence: There were protests against Hardik's detention in Surat and Bardoli, and a GSRTC bus was set on fire in Morbi; four people were arrested from Morbi and one from Tankara for attacking the bus.
Split into simpler sentences: There were protests against detention of Hardik in Surat and Bardoli while one GSRTC bus was set on fire in Morbi. Four people were arrested from Morbi and one from Tankara for attacking the bus.