A woman carries red carnations at a May Day demonstration by various trades unions and left wing political groups.

People carrying red flags at a May Day demonstration by various trades unions and left wing political groups.

A man carries a Communist Party of Iran flag and a placard featuring the portrait of Karl Marx at a May Day demonstration by various trades unions and left wing political groups.

A huge 'Stop Wars' graffiti, in response to Russia's invasion of Ukraine, on the exterior of the House of Statistics, Haus der Statistik. The building was the former seat of the State Central Administ...

A protestor wearing a red carnation at a May Day demonstration by various trades unions and left wing political groups.

A woman, wrapped in a Ukrainian flag, holds a sign that reads 'P*tin killed my loved one', during a protest in Whitehall against the Russian invasion of Ukraine.

A woman wearing a t-shirt with 'Never Forgive, Never Forget' and a Ukrainian map during a protest in Whitehall against the Russian invasion of Ukraine.

A sign that reads 'Stop Putin' at a protest in Whitehall against the Russian invasion of Ukraine.

A man holds a Ukrainian flag during a protest in Whitehall against the Russian invasion of Ukraine.

At a protest in Whitehall against the Russian invasion of Ukraine, a person holds a placard that equates Putin with Hitler.

A woman wrapped in a Ukrainian flag during a protest in Whitehall against the Russian invasion of Ukraine.

A woman wrapped in a Ukrainian flag during a protest in Whitehall against the Russian invasion of Ukraine.

A woman holds a sign which reads 'Save Mariupol' during a protest in Whitehall against the Russian invasion of Ukraine.

Women wrapped in a Ukrainian flag during a protest in Whitehall against the Russian invasion of Ukraine.

A woman wrapped in a Ukrainian flag during a protest in Whitehall against the Russian invasion of Ukraine.