[Update: On May 30, Arkady Babchenko appeared at a news conference to announce that his reported killing had been staged as part of an elaborate police operation.]

MOSCOW — A Russian journalist who fled his homeland last year to escape a campaign of intimidation that he said “was so personal, so scary that I was forced to flee” was shot and killed on Tuesday in the Ukrainian capital, Kiev.

The killing of the journalist, Arkady Babchenko, a former war correspondent who stirred fury among Russian nationalists with his sharply critical coverage, is the latest in a series of attacks, many of them fatal, on outspoken foes of President Vladimir V. Putin, both inside Russia and beyond.

The Ukrainian police said the journalist was found, bleeding, by his wife in their Kiev apartment building and then rushed by ambulance to a hospital. He died en route from what the police said were multiple gunshot wounds to his back.