Afghanistan, Feb. 21 -- U.S. Congress prepares to vote next week on blocking President Trump from ordering military strikes against Iran without lawmakers' approval.

Reuters reported on Friday that U.S. lawmakers could vote as soon as next week on a measure to prevent President Donald Trump from ordering military action against Iran without congressional approval.

Members of Congress, including Democrats and a few Republicans, have repeatedly attempted to pass resolutions limiting the president's ability to launch attacks on foreign governments, but previous efforts have failed.

Under the U.S. Constitution, Congress holds the authority to declare war, while the president may only authorize limited military action for national security re...