As a general rule, politicians and their staffs should avoid ever talking about Hitler in any context. Because… this…

White House Press Secretary Sean Spicer has apologised after declaring that Adolf Hitler did not use chemical weapons during World War Two.

“I mistakenly used an inappropriate and insensitive reference about the Holocaust and there is no comparison,” he said. “For that I apologise. It was a mistake to do that.”

Critics pointed out gas was used to kill Jews and others in the Holocaust.

Mr Spicer had been criticising Russia’s support for the Syrian government.