At least seven soldiers were killed amid shelling overnight near rebel-held Donetsk. The flare-up comes as foreign ministers from Ukraine, Russia, France, and Germany meet in Berlin to address the violence.
This week marks the first anniversary of Russia's legal annexation of Crimea, a territory of Ukraine that was seized in the aftermath of a revolt in Kiev.
The Russian president's perceived provocations are leading many former East bloc nations – from Poland to the Baltics – to start their own military readiness campaigns.
This week's round-up of global commentary includes discussion about Japan revising its Constitution, bias against Canadian Muslims, partnership between South Korea and Japan, explaining Putin's high ratings, and Western media coverage of violence against Muslims.