Lt. Gen. Andrei Simonov, 55, a senior commander of electronic warfare units, was probably killed in a Ukrainian artillery attack near the northeastern city of Izyum on Saturday, according to Oleksiy Arestovych, an adviser to President Zelensky. He added that the death has not yet been confirmed. There were further unconfirmed reports that Valery Gerasimov, Russia’s chief of staff and the man personally sent by President Putin to oversee the impetus for the occupation of eastern Ukraine, was wounded in the same strike. Russian sources said he had suffered a “shrapnel wound to the upper third of his right leg without a bone fracture.” The fragment was