The attack with an intermediate-range ballistic missile has spurred fears of a major escalation in the ongoing war and prompted Ukraine to request new air defenses.

Recent events show that there is a real risk of a global conflict breaking out, Polish prime minister, Donald Tusk, said on Friday, after Russia fired a hypersonic intermediate-ra

In the week that saw the conflict pass its 1000th day, Western powers substantially boosted Ukraine's military arsenal - and the Kremlin made its loudest threats yet of a nuclear strike. Here is how the last week played out - and what it means.

President Joe Biden has reversed some of his own policy positions on Ukraine even as Russia has used new tactics in the conflict and warned of escalation. Ukraine says Russia launched an intercontinental ballistic missile,