A Russian ultranationalist who once held the skull of what he purported was a dead Ukrainian soldier has died in hospital after being shot in the head. Igor Mangushev, 36, who also claimed to have invented the Z symbol used as a symbol of support for Russian forces, was shot in a close-range attack, doctors told his wife. He died in hospital four days later at 6am on Wednesday. His wife hit out at Russian authorities for failing to investigate the killing seen as a warning to one of Putin’s closest allies, head of Wagner private army Yevgeny Prigozhin. In...