KYIV, Ukraine (AP) — Russian forces bombarded the southern Ukrainian city of Zaporizhzhia with rockets overnight, wounding 20 people, including four children, President Volodymyr Zelenskyy said Tuesday as he urged European leaders to make the continent safe by building an ambitious air defense umbrella. With the war grinding on since Russia’s full-scale invasion of its neighbor more than 3½ years ago, there has been no let-up in Russian strikes on civilian areas of Ukraine and its army’s push