French Police officers remove a banner reading "Uranium" as Greenpeace activists take part in an operation to block the cargo ship Mikhail Dudin in Dunkirk, northern France, on March 2, 2026. SAMEER AL-DOUMY / AFP

Police arrested four Greenpeace activists on Monday, March 2, for blocking a cargo ship in France that they alleged was transporting uranium from Russia for the country's nuclear power plants. Around 20 protestors carrying signs reading "Stop toxic contracts" and "Solidarity with Ukrainians" blockaded the Mikhail Dudin at the northern port of Dunkirk early on Monday morning, to prevent it from unloading its cargo, an Agence France-Presse (AFP) journalist observed.

French authorities then arrested four individuals, Dunkirk police told AFP, adding that the blockade was lifted around 09:00 am. Greenpeace has repeatedly accused France of maintaining ties with Russia's state-owned energy company, Rosatom, despite President Vladimir Putin's war in Ukraine.

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France is still trading uranium with Russia, nearly four years after Ukraine invasion