Ukraine crisis: Obama speaks from G7 summit
24 March 2014 Last updated at 11:25 GMT
Europe and the US are "united" in imposing sanctions against Russia over the annexation of Crimea, President Obama has said.
Mr Obama in the Netherlands for the Nuclear Security Summit, where G7 leaders have discussed a collective response to the crisis.
Alongside the Dutch Prime Minister Mark Rutte, he stressed that Ukraine remained a priority and upheld his commitment to the people of Ukraine.