UPDATE 1-China's Anbang wins U.S. security panel OK to buy Fidelity & Guaranty

WASHINGTON, March 15 (Reuters) - China's Anbang Insurance Group, which is looking to buy U.S. hotel operator Starwood , has won approval from a U.S. national security panel to buy U.S. annuities and life insurer Fidelity & Guaranty Life , Fidelity said on Tuesday.