Wagner boss Yevgeny Prigozhin’s jet appeared fine 30 seconds before crash amid rumors bomb was hidden in a wine crate

Wagner mercenary chief Yevgeny Prigozhin’s doomed private plane showed no signs of distress until a sudden drop 30 seconds before the deadly crash in Russia — amid speculation that the rogue warlord’s plane may have been downed by a bomb hidden in a crate of wine.

The Embraer Legacy 600 executive jet, with Prigozhin and other senior Wagner Group members listed among the 10 passengers, made a “sudden downward vertical” at 5:19 p.m. local time Wednesday, according to Ian Petchenik of the flight-tracking site Flightradar24.

Within about 30 seconds, the jet had plummeted...