Russians booby-trapping homes as they retreat, claims Zelenskiy

Ukraine's president says the Russians are leaving mines as they withdraw; central cities hit by new missile strikes

• Russia-Ukraine war: latest updates

Volodymyr Zelenskiy has warned that retreating Russian forces are creating a complete disaster" by leaving mines on homes and corpses in their wake, as renewed missile strikes on Ukrainian cities were reported.

Ukraine's president issued the warning on Saturday morning as the humanitarian crisis in the encircled city of Mariupol deepened, with Russian forces reportedly blocking evacuation operations for the second day in a row. Meanwhile, the Kremlin accused the Ukrainians of launching a helicopter attack on a fuel depot on Russian soil.