WATCH: Russia celebrates 79th anniversary of victory over Nazi Germany

Now playing Next

WATCH: Russia celebrates 79th anniversary of victory over Nazi Germany

Now playing Next

At least 100 people reported missing after major flooding in Brazil

Now playing Next

WATCH: Cinco de Mayo celebrations in Mexico City

Now playing Next

Latest news bulletin | May 9th – Midday

Now playing Next

Latest news bulletin | May 9th – Morning

Now playing Next

US to stop some arms sales to Israel if Rafah offensive goes ahead

Now playing Next

Trade is at the heart of EU-China relations, experts say

Now playing Next

At least 100 people reported missing after major flooding in Brazil

Now playing Next

Why is the Chinese president visiting Serbia and Hungary?

Now playing Next

Anti-immigration protest brings central Dublin to a halt

Now playing Next

Buying a piece of an island: How crypto could change property deals

Now playing Next

Charles Michel admits to 'real difficulties' between EU and Azerbaijan

Now playing Next

Tension grows in Ireland amid migrant influx from UK

Now playing Next

Chinese President Xi Jinping visits Hungary on European tour

Now playing Next

Is Russia still using the Crimean Bridge to shore up its military?

Now playing Next

AstraZeneca asks for European approval of COVID jab to be pulled

President Vladimir Putin has turned the event into a pillar of his nearly quarter-century in power and a justification of his move into Ukraine.