US regulators have approved Google's $12.5bn (£7.9bn) bid for phone maker Motorola Mobility, hours after it won clearance from European authorities.

The European Commission ruled the deal would not raise competition issues in the market for operating systems for devices like mobile phones or tablets.

Apple files complaint against Motorola to prevent iPhone 4S litigation

Apple has asked a federal court in California for an order enjoining Motorola Mobility from suing the company in other courts for patent infringement in connection with its use of chips from Qualcomm in its products.

The maker of the iPhone and iPad is concerned that Motorola will bring the iPhone 4S into a patent infringement lawsuit it has filed against Apple in the U.S., as it has tried to do in Germany.