Finnish flag will be raised for first time at Nato headquarters on Tuesday; Damage reported after overnight drone strikes on Ukrainian port, say officials

• Russia-Ukraine war at a glance

Russia’s state-owned Tass news agency has reported that the number of people injured in the St Petersburg cafe explosion that killed the prominent military blogger Vladlen Tatarsky has risen to 40. It quotes a statement from the press service of the Russian health ministry:

According to operational data, as a result of an incident in a cafe in St. Petersburg, 40 people sought medical help, including three minors.

At night, the Russian Federation attacked Ukraine from the south with 17 “Shahed” drones: 14 of them were destroyed by air defence forces. In the Odesa region, a business was hit, there were no casualties.

In the morning, Russian troops shelled Kupyansk in the Kharkiv region. As a result of the impact, an economic building caught fire, the state emergency service reported. On 3 April, one man was injured as a result of shelling in the Chuhuiv district.