Boris Johnson's efforts to halt the crisis in Ukraine risk being derailed by the partygate "timebomb", a former head of the Army has said.
General Lord Richard Dannatt said the country was "weakened" by the chaos swirling around the Prime Minister - and warned Mr Johnson's efforts to talk tough with Russia were being undermined.
The PM is considering doubling the number of troops stationed in Eastern Europe as he prepares to travel to the region amid mounting tensions over Ukraine.
