In the days after the Russian withdrawal from the outskirts of Kyiv, a driver named Oleg Naumenko opened the trunk of an abandoned car and it exploded, killing him instantly.
The car had been booby-trapped, and his family and local authorities blamed Russian soldiers. “I died with him in that moment,” Mr. Naumenko’s wife, Valeria, said between sobs.
As ordinary Ukrainians emerge from basements and bunkers into the ruins of their hometowns, many are being confronted with a new horror: thousands of mines and unexploded bombs left behind by retreating Russian troops.
Residents and authorities say that departing Russian soldiers have laced large swaths of the country with buried land mines and jury-rigged bombs — some hidden as booby traps inside homes. The explosives now must be found and neutralized before residents can resume a semblance of normal life.
Some of the explosives have been attached to washing machines, doorways, car windows, and other…