back on brussels sprouts this christmas? i don t know. this is awful. the cost of gas is too high. i know. these are actually in crackers. could somebody send some good christmas crackerjokes, please, and we will read them out. it would take up most of the morning. sorry about that. at least i explained. there has to be good ones out there. the prime minister s spokesman says there was not a party at number 10 downing street last december, and the government says no covid guidelines were broken. but a source has told the bbc that several dozen people did attend a party on the 18th of december last year. ros atkins investigates the gap between government assurances and what evidence we have. last december, there was a christmas party at number ten. a week since we learned about it, boris johnson s spokesperson insists there was not a party at number ten.