Russian patriotic bloggers on Friday poured scorn on President Vladimir Putin's intimation that mercenary chief Yevgeny Prigozhin's plane was blown up with hand grenades while those on board were high on cocaine and alcohol. The private Embraer jet on which Prigozhin was travelling to St Petersburg crashed north of Moscow killing all 10 people on board on Aug. 23, including Dmitry Utkin, co-founder of the mercenary Wagner group, four bodyguards and a crew of three. Putin said on Thursday fragments of hand grenades were found in the bodies of the dead and that investigators had ruled out any external impact...