Russia launched a major bombardment of Ukrainian cities on June 2 as Vladimir Putin continues to escalate attacks on Ukraine's civilian population amid growing signs that his invasion is unraveling, writes Peter Dickinson.

At least 13 people were killed and scores hurt throughout Ukraine following a massive missile and drone barrage on the country in the early hours of June 2.

Russia pummeled Ukraine with hundreds of drones and dozens of missiles early Tuesday, killing at least 11 people and wounding dozens of others after it had warned for days that it…