 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.The crude oil spill had occurred 20 km off Thailand's mainland, "when a floating hose transferring oil from a tanker to a PTT refinery pipeline broke sending 50,000 litres of oil spewing into the coastal waters".