The outspoken Russian ultranationalist Aleksandr Dugin called on Monday for revenge against Ukraine and for Russia to push on in its invasion, in his first comments since a car bombing killed his daughter. The Russian authorities on Monday blamed Ukraine for organizing the killing of his daughter, Daria Dugina, on Saturday on a highway in an affluent district outside of Moscow. Mr. Dugin, who Russian media reports said was driving in a separate car behind his daughter when the blast went off, said she had been “brutally killed by an explosion in front of my eyes.” He said the attack...