UPDATE 1-Top U.S. regulator expects action on Fiat Chrysler over recalls
July 02, 2015 at 15:33 PM EDT
WASHINGTON, July 2 (Reuters) - The top U.S. auto safety regulator said on Thursday he will move quickly to take action in response to Fiat Chrysler Automobiles NV's mishandling of recalls involving up to 11 million vehicles.