It was just after 6am, Rwanda time, that Boris Johnson emerged from a swimming pool to hear that his his loyal cabinet ally Oliver Dowden had resigned.
The beleaguered Prime Minister probably wanted to jump right back in and sink to the bottom. He will have known instantly what a devastating blow this is.
Mr Johnson had already been made aware of the crushing defeats that his party had suffered overnight in both Wakefield and Tiverton and Honiton and the ramifications of those results for his party and his position.
