The Ukrainian security service claimed a new strike on the Belbek Airfield in Crimea had destroyed hundreds of millions of dollars’ worth of Russian military equipment, including a MiG-31 fighter jet loaded with weapons,

There are no official statistics surrounding suicide among Ukrainian soldiers, but they are thought to count in the hundreds.

The annual news conference sets the Kremlin’s tone for the next year and highlights President Vladimir V. Putin’s grip over Russia.

Putin said at an annual meeting with top military officers that Moscow will move to expand a “buffer security zone” along the border.

But part is because Ukraine is keeping secret the methods it hopes will help it regain a winning edge elsewhere. Participants refuse to say how they circumvented the all-seeing eyes and kill-zones of the modern battlefield.

Ukrainian "Sub Sea Baby" drones critically damage Russian submarine equipped with Kalibr cruise missiles in Novorossiysk, the Security Service said.

A U.S. official says a Kremlin envoy will travel to Florida to discuss a U.S.-proposed plan to end the war in Ukraine.

Ukraine’s finance ministry said on Thursday that holders of 99 per cent of its so-called GDP warrants agreed to swap them for bonds, extinguishing payouts that it estimated may have cost up to $20bn in a postwar boom.