A Russian SU-34 bomber crashed in the Caucasus Mountains during a routine training flight likely due to a technical malfunction, killing the crew aboard, Russian news agencies reported on June 11, citing the Defense Ministry. "In the Republic of North Ossetia-Alania, in a mountainous area, an Su-34 aircraft of the Russian Aerospace Forces crashed during a scheduled training flight," Russia's RIA state news agency cited the Defense Ministry as saying.