These deaths are not tragedies, they are crimes. Last Thursday, the head of the UN Children’s Agency (UNICEF), Anthony Lake, arrived in Amman, Jordan after a heart-wrenching tour of war-ravaged Yemen. ‘Stop the war,’ said Lake. It was a clear message. No subtlety was needed. ‘All of us,' he said, 'should feel ‘immense pity, even agony, for all of those children and others who are suffering, and they should feel anger, anger that this, our generation, is scarred by the irresponsibility of governments and others to allow these things to be happening.’