What, precisely, does Joe Biden mean by “a severe price”? This is what the US president said that Russia would pay if it was found to have deployed chemical weapons in Ukraine. On March 11, when Biden issued this initial threat, he declined to elaborate on what he had in mind. A month later, we may be about to find out.
This morning, reports of a chemical weapons attack on the besieged city of Mariupol in south-eastern Ukraine were still being investigated by governments around the world as a matter of geopolitical urgency.
