The US will not undertake military action in Syria before it is approved by a vote in Congress, Barack Obama said today.
Republican House Speaker John Boehner said the debate would likely take place on the week of September 9th.
Watch the President's speech in full:
More top news
Sixteen people were injured when a train crashed into a railway station buffer on Monday.
"Our ability to pre-empt or respond to threats will be eroded if we don't keep up with our adversaries."
"You are one of the silence breakers and we all owe you a debt of gratitude."