F-16s for Ukraine: Biden's decision and Russia's concerns.

The training of Ukrainian pilots to fly F-16 jets has begun in Poland, according to EU foreign policy chief Josep Borrell. Meanwhile, Russian forces are battling an alleged incursion in Belgorod, and an International Monetary Fund mission has started work on the first review of a $15.6 billion loan program for Ukraine. Russian Interior Minister Vladimir Kolokoltsev, who faces sanctions in the West over Moscow's war on Ukraine, has visited Saudi Arabia, while Russian Prime Minister Mikhail Mishustin has arrived in China for talks with President Xi Jinping.