Kyiv — All of Ukraine was put under an air raid alert Monday morning as Vladimir Putin's military stepped up attacks on the day when the world marks the defeat of Nazi Germany in World War II. Ukrainian President Volodymyr Zelenskyy marked Victory in Europe Day with a vow that "all the old evil that modern Russia is bringing back will be defeated, just as Nazism was defeated." As he did so, the mayor of Kyiv said Ukraine's capital had come under the most intense aerial assault since the start of Russia's full-scale invasion in February 2022. Tracer fire streaked...