When he was gassing the Kurds and gassing Iran, they didn't care about it.

That he did sign and put into effect specific orders calling for the gassing and cremating of one million human beings.

Such crimes include bombing of busy quarters, destruction of reservoirs, poisoning of drinking water, gassing in subway stations and probably espionage in wartime.

Palestinians claimed, however, that four Palestinians had to be transferred to the Aliya Hospital in Hebron, one suffered an eye injury as a result of the gassing.

Others were reportedly injured by excessive tear gassing, beatings with batons and being struck by rocks and tear gas bombs, including Kim Hyun ki, Tak Soo Keun, Oh Seung joon, Jung In sun, Kim Jae hong and Yoo Jung hyup.

For some chemical reactions it is important that the solvent is gas free. To achieve this the reaction vessel is put for some time into a ultrasonic bath. Due to the high sound frequency, the vapor locks peel away and ascend. This procedure is called out gassing.