German police raided homes today in their investigation into last Wednesday's mafia-linked killings of six Italians in the northwestern city of Duisburg.
Mourners applaud the coffin of a shooting victim in the Calabrian village of San Luca, Italy. Image: Reuters
Police arrested and questioned several people in the operation, which began early this morning.
A spokesman said several items had been acquired as evidence.
Investigators believe the Duisburg shootings, which took place outside an Italian restaurant, were the latest chapter in a long-running feud between two clans in the Italian region of Calabria, home to the 'Ndrangheta crime syndicate.
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The victims were buried in southern Italy on Thursday at a ceremony with heavy police protection.