New Delhi, Dec. 23 -- A car bomb killed a Russian general on Monday, the third such killing of a senior military officer in just over a year. Investigators said Ukraine may be behind the attack.

Lt. Gen. Fanil Sarvarov, head of the Operational Training Directorate of the Russian Armed Forces' General Staff, died from his injuries, said Svetlana Petrenko, the spokesperson for Russia's Investigative Committee, the nation's top criminal investigation agency. He was 56.

"Investigators are pursuing numerous lines of inquiry regarding the murder. One of these is that the crime was orchestrated by Ukrainian intelligence services," Petrenko said.

Since Moscow sent troops into Ukraine nearly four years ago, Russian authorities have blamed Kyiv ...