festive gatherings and this christmas quiz hosted by boris johnson inside downing street which may have broken covid rules limiting socializing last year. downing street says the prime minister and others attended virtually. i am certainly breaking no rules. the whole thing will be looked into by the cabinet secretary. reporter: first, the government denied parties ever happened. until an aide was caught joking about the restrictions on camera in this leaked footage. now three events are being investigated. it was a business meeting. this fictional party was a business meeting. and it was not socially distanced. reporter: aside from the question of parties there were bigger issues at play. johnson s government has been marked by allegations of sleaze, improper lobbying and how an upgrade to the prime minister s official apartment was financed. which johnson says he paid for.