WASHINGTON (AP) -- Unable to round up enough support, House Republicans abruptly put off a vote Thursday night on legislation allowing tax rates to rise for households earning $1 million and up, complicating attempts to avoid a year-end fiscal cliff that threatens to send the economy into recession.

In a brief statement, House Speaker John Boehner said the bill "did not have sufficient support from our members to pass."

He said that now it is up to the president to work with Senate Majority Leader Harry Reid "on legislation to avert the fiscal cliff.'"

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