Obama also stressed that the downing of the Russian jet points to an "ongoing problem" with Russia's airstrikes in Syria, Ukraine Today reported.

Barack Obama, US President: "Turkey, like every country, has a right to defend its territory and airspace. I think it's very important right now for us to make sure that both the Russians and the Turks are talking to each other, find out exactly what happened, and take measures to discourage any kind of escalation."

See unian.info’s video section for more of the latest news from Ukraine in video from Ukraine Today, Ukraine’s 24-hour English-language news channel.