Serbia has presented for the first time the FK-3 air defense system recently purchased from China. The acquisition of military equipment from China and Russia has been frowned upon in the West.

In the World This Week, UN Secretary General Antonio Guterres tries to negotiate humanitarian corridors in Ukraine while on a visit to Kyiv. French President Emmanuel Macron's re-election honeymoon period proves short-lived, with the focus quickly turning to June legislative elections. And Tesla founder Elon Musk makes a $44 million offer for social media platform Twitter.

The invasion of Ukraine has Villinus increasingly concerned, and citizens are taking up arms. Worries about the Suwalki Gap — a strategically important corridor connecting the Baltic states to their NATO neighbors — are also mounting.

Germany's Cabinet has wrapped two days and talks about the war in Ukraine and its impact on the German economy. The government warned that a planned EU oil embargo could cause supply problems and even higher inflation.

The retired US army general said rather than advancing Russia's cause, the war in Ukraine was making NATO stronger. He also praised "extraordinary" steps taken by Germany on weapons exports and military spending.

The war in Ukraine overshadows Moscow's annual celebration of the Soviet victory over Nazi Germany. Following the huge military parade, the Russian president has claimed Russia is defending the "Motherland" in Donbas.

Berlin's former closeness to the regime in Moscow has damaged the reputation of German foreign policy. Can Chancellor Olaf Scholz's policy shift succeed, given this fraught history?

Final preparations are under way on Red Square for next Monday's Victory Day military parade. As Russia commemorates victory over the Nazis, will President Vladimir Putin capitalise on the patriotic pomp and ceremony to announce new developments in his Ukrainian offensive?

In the end, there was no big reveal on Moscow’s Red Square on May 9. But is the devil in the detail of Vladimir Putin's Victory Day speech? In commemorating 1945 win over the Nazis, the Russian president did not declare war on Ukraine or announce a mass mobilisation, defying some expectations. He did however single out the perceived aggression of ''America and its minions”.

The fire season has started early in Siberia, as drought and strong winds fuel blazes in its carbon-rich peat forests. But with Russian forces fighting in Ukraine, this year's emergency response could suffer.

Websites belonging to Italy's Defense Ministry and Senate are among several hit by a hacking group, which also claimed responsibility for a recent cyberattack on German government websites.

Despite jitters over the Ukraine war in many countries and Finland's decision to seek NATO membership, tanks have not been sent to the Finnish border with Russia, despite a viral video suggesting just that. We also look at false claims surrounding a recent protest in Paris.