Several theories for helicopter crash under investigation: Ukraine's Zelensky

Ukraine Helicopter Crash: Zelensky said, “The investigation is ongoing. There are several theories and I'm not authorised to talk about any of them.”

Ukraine President Volodymyr Zelensky said Thursday that there were "several" theories being investigated to explain a helicopter crash that killed the country's interior minister and 13 others the previous day near Kyiv.

Ukraine Helicopter Crash: People work to retrieve the debris from a helicopter after it crashed, amid Russia's attack on Ukraine, in the town of Brovary, outside Kyiv, Ukraine. (Reuters)

"The investigation is ongoing. There are several theories and I'm not authorised to talk about any of them until the investigation is finished," Zelensky told an audience in Davos when asked if the crash was an accident.