"Let me be clear, none of what is happening (in Washington) diminishes one iota our commitment to our partners in Asia," Kerry told journalists at the Asia- Pacific Economic Cooperation forum in Indonesia's Bali island.
Obama had been due to attend the forum and the East Asia summit in Brunei next week as part of a tour designed to advance the much-vaunted US "pivot" to Asia.
But late Thursday the White House announced that he was cancelling his attendance at both key meetings due to the first US government shutdown in 17 years.
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The president had already cancelled plans to visit Malaysia and the Philippines.
