Bahrain interior ministry allegedly ordered 1.6 million teargas canisters to use against protesters, and South Korean company DaeKwang is believed to be one of the major suppliers. R. Elgin wrote in Marmot's Hole blog about the ironic history of tear gas– a notorious symbol of Korean government's clampdowns back in 70-80s becoming a money-maker nowadays. Earlier this month, net users tweeted photos of protesters outside the Korean embassy in London, calling Korean companies to stop selling toxic gas.