How Russia's gradual gains in the face of fierce Ukrainian opposition have affected the front line in recent months.

This interactive timeline of the war in Ukraine shows major attacks, key moments and how the battle lines have shifted in the four years since Russia's all-out invasion.

On the war’s fourth anniversary, Russia occupies 20 percent of Ukraine’s territory, but the front line shifts slowly.

Fighting has blazed in Toretsk for many months, while Russia has headed south of Pokrovsk to avoid battles through the Ukrainian stronghold city.

Russia launched its full-scale invasion of Ukraine four years ago, and the fighting continues. Here's a look at where the war ...

Ukraine front line mapped: The 745 miles at the heart of the war with Russia - IN FOCUS: As the war in Ukraine enters its fifth year, Ukraine and Russia are still trying to find a way to break the ...

Moscow’s forces infiltrated Pokrovsk after months of attacks on the city, a strategic part of Ukraine’s eastern defenses. By Constant Méheut and Olha Konovalova Reporting from Kyiv, Ukraine Street ...

It’s been four years since Vladimir Putin launched his illegal invasion of Ukraine, sparking a war between the two nations and leaving millions of civilians and soldiers dead. Marking the four-year ...

The war in Ukraine has become a grinding test of attrition, where movement on the map is measured in metres, not miles. In the frozen wastelands where this fight is being waged, it feels never-ending.

Four years of war in Ukraine has brought seismic evolution to the world - to the nature of warfare, the balance of global powers, and to European security.