"I will seek authorisation for the use of force from the American people's representatives in Congress," President Obama said.
He said Congressional leaders agreed to "schedule a debate and then a vote as soon as Congress comes back in session."
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Airline fees for services such as name changes and airport check-in could be targeted under a new Government clampdown.
Poisoned double agent Sergei Skripal asked Vladimir Putin to be pardoned and requested he be allowed to visit Russia, according to a friend.
A cloudy and wet start on Saturday across many central and southern areas of the UK.