Passage through Danube's Bystre mouth restricted after boat explosion.

Former U.S. Ambassador Steven Pifer discusses recent U-turn in U.S. President Trump’s policy on Ukraine following a phone call with Putin. Pifer says that Trump can still end Russia’s war if he starts using leverage on Moscow but argues that, regardless, Ukraine and Europe should assume they will have to manage the conflict without U.S. support.

Swedish Prime Minister Ulf Kristersson and Zelensky are meeting in the city of Linkoping, home to the defense company Saab, which produces Gripen fighter jets and other arms.

Explosions rocked Kyiv and other Ukrainian cities overnight on Oct. 22 as Russia launched a large-scale aerial attack against Ukraine.

Russia attacked Kharkiv with drones on Oct. 22, damaging a kindergarten and killing one person, injuring at least six, local authorities reported.

Russian air defenses intercepted 44 Ukrainian drones overnight and into the morning of Oct. 22, including eight over Dagestan, according to Russia's Defense Ministry. No drones were reportedly shot down over Mordovia.

Explosions took place at the Petrotel-Lukoil refinery in Ploiești, southern Romania, as well as at Hungary’s largest oil refinery in Szazhalombatta.

Russian Foreign Minister Sergey Lavrov and U.S. Secretary of State Marco Rubio also do not plan to meet in person in the near future, though they held a "productive" call on Oct. 20, a State Department spokesperson told the Kyiv Independent.

The Bryansk Chemical Plant produces gunpowder, explosives, and rocket fuel components for the Russian military. It has been sanctioned by the U.S. and U.K.

The former head of Ukraine’s state-owned grid operator Ukrenergo, Volodymyr Kudrytskyi, says his opponents were likely behind a law enforcement raid on his home on Oct. 21, in a phone call with the Kyiv Independent.

The perpetrators were allegedly planning to set fire to the Bucharest headquarters of Nova Post, Ukraine's largest private courier.