partygate
PM's former chief aide claims witnesses would say Abba could be heard playing from the Downing Street flat.
The BBC Newsnight presenter said she was "wrong" to share a post from former Tory cabinet minister Rory Stewart without context.
Downing Street insist the prime minister "stands by" his remarks.
The prime minister been accused of making "false and baseless slurs" over jibe at Keir Starmer.
Former Scottish Conservative leader says alleged rule-breaking "makes a mockery of all of the sacrifices that people made".
The Australian will give strategic advice to the PM in a bid to restore order to No.10 following Sue Gray's report.
A No10 source confirmed to HuffPost UK the call had been delayed and they were looking for "another date".
A succession of Conservative MPs notably failed to give the PM their support.
They include a birthday party on June 19 thrown by his wife as a surprise get-together - complete with cake and up to 30 guests.
"RIP Wine Time Fridays."