German authorities have announced that foresters have found a buried barrel containing materials that could be linked to the former far-left group the Red Army Faction (RAF).
Foresters dug up the plastic barrel on Friday in the municipality of Zefetal near Hamburg, police said.
The barrel contained documents from the 80s and containers with unknown liquids, but no weapons.
After an initial check of the documents, the police stated that the barrel's connection to the RAF, also known as the Bader-Meinhof group, "cannot be ruled out".
She added that the contents of the barrel indicate that it was buried several decades ago.
The RAF was formed in 1970 from the German student movement against the Vietnam War, and was treated as a terrorist organization by the German government.
Members of the group, who claimed to be fighting US imperialism and capitalist repression of workers, were responsible for a series of bombings, assassinations, kidnappings, bank robberies and armed confrontations with the police.
During their 28 years of operation, they killed 34 people and injured hundreds.
In 1998, the group announced that it was disbanding.
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