Ten explosions heard in Kharkiv, authorities say, as Russian missiles hit six cities across the country
The US ambassador to Ukraine has shared a picture of her phone screen showing a number of critical air raid alert messages.
Bridget Brink said in a post on X:
This is what Ukrainians see on their phones this morning: and as a result, millions of men, women, and children are in bomb shelters as Russia fires missiles across the country.