Russia has used robots and drones against eleven Ukrainian regions during the night towards Monday, according to the Ukrainian air force.
This is the 33rd consecutive night with reports from Ukraine of air attacks.
In Kiev, explosions and machine-gun fire have been heard during the night, as the city's air defense responded to drone attacks for several hours. No injuries have been reported from Kiev. Mykolajiv's governor Vitalij Kim reports that a "critical infrastructure object" has caught fire in the region's southern parts.
On Monday, Russia's President Vladimir Putin published a video on the occasion of it being two years since Russia claimed to have annexed four Ukrainian regions. He accuses the West once again of having made Ukraine into "a military base aimed at Russia".