Edited sentence: After attempting to escape Vietnam or demonstrating against the government, jail terms were imposed upon over 70 Montagnards.Another wave of Montagnard refugees in Cambodia happened after the Vietnamese government crackdown on the protests in the Central Highlands in February 2001.Coffee farming and colonization of ethnic Vietnamese in the Central highlands are supported by the Vietnamese government.Montagnards were made to give up their lands for far less than they were worth to the Vietnamese government The jailed Montagnards had been subjected to torture by the Vietnamese government which caused the mass protests.Plantations run by the government were built on the land of the Montagnards which were also settled by lowlanders.Rahlan Djan and Rahlan Pon were the two Montagnards who were abused and arrested by the Vietnamese and ex-FULRO member Ksor Kok helped bring attention to their plight.The natives were attacked by Vietnamese helicopters and soldiers in Daklak and Gia Lai provinces.There were 30 police officers wounded in Buon Ma Thuot in Daklak and Pleiku