MOSCOW, April 28 (Reuters) - A Ukrainian drone attack caused a major fire at a Russian oil refinery in the city of Tuapse on Tuesday, officials said, in what President Vladimir Putin described as evidence of increased Ukrainian attacks on civilian targets.

Ukraine’s defense minister says the country's armed forces shot down more than 33,000 Russian drones of various types in March, a record monthly figure since Moscow launched its all-out invasion more than four years ago.

Russian helicopters struck in Russia's Voronezh Oblast, Ukraine's elite drone unit says * Ukraine hits Russia's 'shadow fleet' oil tanker near Tuapse, General Staff

Human rights groups allege Russia recruits tens of thousands of vulnerable migrants from over 130 countries to fight in its ongoing war against Ukraine.

Ukraine used its latest technology to deepen strikes against Russian oil storage, ports and refineries in the past week, bombing targets in the Urals 1,600 kilometres (990 miles) from its borders and prompting protests about “terrorist attacks” from ...

U.S. First Lady Melania Trump has helped to facilitate the return of 26 Ukrainian children abducted by Russia, Ukraine's Human Rights Ombudsman, Dmytro Lubinets, said on April 30. Lubinets told reporters at the Civil Society and Expert Day event in Kyiv that the first lady has become a key partner in the process of negotiating with Russia to bring

Ukraine called for a long-term ceasefire after Putin floated a brief Victory Day truce around Russia’s May 9 parade.