It comes after outgoing US defence secretary Lloyd Austin yesterday announced a $500m (£407m) aid package for Ukraine, including air defence missiles, ammunition and equipment for F-16 fighter jets.
The region has long relied on supplies of Russian gas, but flows to the area through Ukraine were halted on 1 January after Kyiv refused to renew a deal that allowed gas to move through its territory.
The Palisades, Eaton, Hurst, Lidia and Kenneth fires are burning in Southern California, destroying more than 10,000 structures. Here are the latest updates.