WASHINGTON (AP) — A showdown looms in the House over whether to end the indefinite detention without trial of terrorist suspects, even U.S. citizens seized within the nation's borders.

Democrats and tea party Republicans lobbied their colleagues furiously ahead of Friday's vote, arguing that indefinite detention gives the executive branch extraordinary power that violates the Constitution. Opponents insisted that any change in the law would weaken national security and coddle terrorists.

The divisive issue was playing out as the House considered a $642 billion defense budget for next year. Final passage of the legislation was expected Friday.

The spending blueprint calls for money for aircraft, ships, weapons, the war in Afghanistan and a 1.7 percent pay raise for military personnel. The White House has threatened to veto the bill.

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