Russian foreign minister Sergei Lavrov said his country would respond if its citizens or interests came under attack in Ukraine. At the same time, the interim Ukrainian government has called for a new offensive on pro-Russia militants holed up in government buildings across eastern Ukraine. Western diplomats are scrambling to find a way to de-escalate the crisis.
In Chile, a fire that started in the hills above Valparaiso continues to burn. The blaze has killed 15 people and destroyed 2,500 homes in the area that surrounds Valparaiso. Reporter Alexandra Hall looks at some of those affected.