The Guardian is reporting that the New York Times is quoting other US officials who are saying different.
'Explosion onboard probably brought down plane presumed to be carrying Wagner leader
An explosion onboard a plane presumed to be carrying the Wagner mercenary chief Yevgeny Prigozhin probably brought down the aircraft on Wednesday, the New York Times has reported, citing US and other western officials.
Officials told the Times the explosion could have been caused by a bomb or another device planted on the aircraft, adding that other theories were being explored.'