Two minority shareholders in Toys R Us are taking legal action to block a $6.6bn (€5.4bn) bid for the company by a consortium which includes private equity groups Kohlberg Kravis Roberts and Bain Capital.

Iron Workers of Pennsylvania Pension and Profit Plans and Jolly Roger, a hedge fund run by Pirate Capital, will seek an injunction preventing the deal on June 17, Dow Jones Newswires reports.