WASHINGTON, Nov 25 (Reuters) - The U.S. Federal Reserve, in another massive life-support intervention for the U.S. financial system, on Tuesday announced a $600 billion program to buy mortgage-related debt and securities and a $200 billion facility to buy consumer debt securities,

The U.S. central bank said it would buy up to $100 billion in debt issued by Fannie Mae, Freddie Mac, and the Federal Home Loan Banks, the government-sponsored mortgage finance enterprises.

The Fed also said it would buy up to $500 billion in mortgage-backed securities backed by Fannie Mae, Freddie Mac, and Ginnie Mae. (Reporting by Mark Felsenthal, Editing by Chizu Nomiyama)