US Secretary of State John Kerry said President Bashar al-Assad is a "desperate leader" and praised the opposition as the legitimate voice of the Syrian people.
Mr Kerry confirmed the US will take "further steps" to help the opposition, which is faced by "brutal regimes" and Iranian forces.
He also added that the US will provide $60 million "immediately in non lethal assistance" to aid Syria opposition.
More top news
More rain forecast in the next 24hours - it is a Bank Holiday after all!
Paul Gallihawk went missing whilst competing in the swimming leg of a triathlon to raise money for charity.
The Kremlin has released pictures of Russian President Vladimir Putin working out at the gym with Prime Minister Dmitrty Medvedev in Sochi.