Moscow was hit by the biggest drone attack of the war, according to the capital's mayor, hours before crunch US-Ukraine peace talks in Saudi Arabia.

The Ukrainian military said on Wednesday that Russia launched three missiles and 133 drones in an overnight attack. It said the air force shot down 98 drones. Another 20 drones did not reach their targets,

Ukraine launched its largest drone attack on Russia as U.S. officials were meeting a Ukrainian delegation in Saudi Arabia to secure a peace deal.