Complex sentence: The 2013 Rayong oil spill started on the night of 28 July 2013 an oil leak (from a pipeline) 35 kilometers from Ko Samet's Ao Phrao beach, resulted in the beach being closed and its tourists evacuated, after spillage reached the beach.
Split into simpler sentences: The 2013 Rayong oil spill started on the night of 28 July 2013. An oil leak (from a pipeline) 35 kilometers from Ko Samet's Ao Phrao Beach, resulted in the beach being closed and its tourists evacuated after spillage reached the beach.