Toronto mayor Rob Ford has apologised for an expletive-ridden video in which he threatens to kill someone.
Mr Ford said he had been "very inebriated" while the video was shot and that the incident was "extremely embarrassing".
More top news
The Sunday Times reported the Prime Minister, fiancee Carrie Symonds and their son Wilfred would travel north of the border next weekend.
The city was bombed on August 9, 1945, leaving more than 70,000 people dead.
The UK economy shrank by more than 20% in the first half of the year.