Shoigu is thought to have suffered a heart attack possibly caused by foul play Russia's defence minister, 66, has been a close ally of Putin ever since 2012 He was a mainstay early in the invasion but has been largely absent for weeks ....hoigu, 66, is now thought to be in intensive care after suffering 'a massive heart attack' which 'could not have occurred due to natural causes', according to Leonid Nevzlin, suggesting Putin's longtime ally may have been the subject of an assassination attempt ordered by his boss. Shoigu was last seen on yesterday on a video conference with...