Russian President Vladimir Putin is running out of time to win his war against Ukraine, amid a stalemate on the battlefield and growing troubles at home, an Estonian intelligence chief has told CNN.

After years of conflict, Moscow is struggling to maintain troop levels and hold territory

In disused tunnels hidden below central London a NATO headquarters is directing troops in a simulated war with Russia. Just a few metres beneath the pigeons of Trafalgar Square, uniformed planners are analysing terabytes of data to find weak points in Vladimir Putin’s military machine.

Ukraine-Russia war latest: Kyiv says spike in radiation detected after Moscow arms missiles with uranium - Nato chief Mark Rutte is calling on Ukraine’s allies to increase their expenditure in support

The Government of India has taken special measures to search for the missing individuals and to identify the mortal remains of the soldiers who lost their lives.

Ukrainian President Volodymyr Zelenskyy says that Russia has targeted eight regions of Ukraine in a nighttime drone and missile attack.

ANALYSIS: Russia’s massive war games in Belarus are an attempt to regain military initiative by threatening armageddon, writes world affairs editor Sam Kiley

Crude oil futures have jumped over 40% since the Iran war started. The US has also temporarily eased some sanctions pressure on Russian oil.

It has been more than four years since Russia’s full-scale invasion of Ukraine. It is a war that has been grinding on without major changes in battle lines, but the conflict may have reached a turning point.

This summer will test whether Ukraine can turn a slender advantage into a strategic turning point.

The UK appears poised to increase spending on defence after the foreign secretary said everyone must "face up to the need to do much more" to counter a "reckless" Russia.