KUALA LUMPUR, Malaysia (AP) _ The United States and Japan announced proposals tonight to pump an additional $10 billion into troubled Asian economies to help lift the region out of its worst economic crisis in decades.

The package of new proposals would include $5 billion in new support offered by the United States, and the creation of a $5 billion joint initiative supported by the United States, Japan, the World Bank and the Asian Development Bank.

Details of the measures were announced in Kuala Lumpur by Vice President Al Gore, who was attending an economic summit in place of President Clinton, and by a Japanese official in Tokyo.