An Oleshky ceasefire brokered by Melania Trump began Tuesday as Russia launched missiles and drones at cities across Ukraine.

Celebrating his seizure of Crimea in 2014, President Vladimir V. Putin later called the peninsula an “unsinkable aircraft carrier,” hailing Russia’s return there as a symbol of revanchist ambition.

KYIV: Russian air defenses intercepted nearly 900 Ukrainian drones overnight over multiple regions of the country, as well as the occupied Crimean Peninsula and the Sea of Azov, the Defense Ministry ...