(Bloomberg) -- Lawsuits against Barclays Plc over certificates linked to the 345 million-euro ($466 million) Ponzi-scheme fraud by Helmut Kiener’s K1 hedge fund will be combined in Germany.

The Frankfurt Regional Court said cases against the bank will be bundled. The investors argue London-based Barclays failed to properly investigate the X1 Global Index certificates it had issued which were linked to Kiener, according to court documents.

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