‘Unstoppable’ Boris gets stuck on a zip wire

Oh dear: this morning Boris Johnson was being hailed as ‘unstoppable’ in his bid to be the next Conservative leader. But it turns out Westminster has been far too preoccupied with the boring details of how he can get re-elected in time to take over from David Cameron that we all failed to notice the major obstacle in the Mayor’s route to the Commons:

Boris managed to get stuck on a zip wire this afternoon in Victoria Park.