The Defense Ministry later identified the victim as Col. Maxim Shapoval of the Chief Directorate of Ukrainian military intelligence. His vehicle was destroyed and two passers-by were slightly injured.
'As a result of (the explosion) a member of the defence ministry's main intelligence department, Colonel Maksim Shapoval, was killed, ' the defence ministry said in a statement.
"The national police, rescuers, as well as explosives and forensic experts are working at the scene", the Defense Ministry said.
Pavel Sheremet, a Belarusian-born Russian journalist who was often critical of top political leaders and other government officials in his reporting, was killed in July 2016 in Kyiv when the auto he was driving to work was blown up.
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Last March, Russian opposition politician Denis Voronenkovwas shot dead outside a hotel in central Kyiv. Ukrainian authorities say that a senior military intelligence officer has been killed in a vehicle bomb in the country's capital.
In June, a gunman posing as a reporter from the French newspaper Le Monde shot and wounded Adam Osmayev, a Russian citizen who fought for Kiev against Kremlin-backed separatists in Ukraine's east.
Reports said that the incident is the second one in four days.
Tensions in the Ukrainian capital were further heightened on Tuesday by a wide-ranging cyber attack, whose targets included the country's central bank and state power company. The Kremlin denied the charges.