Deutsche Bank has issued a writ against EM.TV, the German media group, whose plummeting share price left a hole in the fourth fund of Morgan Grenfell Private Equity, a subsidiary of Deutsche, and robbed the private equity firm of its independence.

Just one month, almost to the day, after Deutsche Bank completed plans to roll the Morgan Grenfell Private Equity-managed Deutsche European Partners IV fund into DB Capital Partners, Deutsche has come out fighting.