The world this week
Politics Vladimir Putin’s invasion of Ukraine did not go to plan in its first week. Russian vehicles ran out of fuel or broke down. The invaders, who had been told they were liberating Ukraine from a “Nazi” government, met stiff resistance and suffered heavy casualties. Ukrainian forces fought back ferociously. Crowds of civilians stood in the way of tanks. Mr Putin switched to more brutal tactics, raining shells on civilians in cities, a war crime. The International Criminal Court started to collect evidence. Russian troops captured Kherson, a port. Kyiv, the capital, prepared for a siege. At least 1m refugees fled Ukraine, mostly to Poland but also to Hungary, Moldova, Romania and Slovakia. Women and children were evacuated on packed trains. The EU vowed to let them in. Ukraine ordered…