- 21 updates
Prime Minister David Cameron told Channel 4 News: "I am not going to comment on someone's private conversation, least of all Prince Charles."
George Galloway has said the Prince of Wales "should abdicate" after he apparently compared the actions of Russian leader Vladimir Putin to Adolf Hitler.
The MP for Bradford-West tweeted:
The Prince of Wales "has got a point" when he draws comparisons between Russian president Vladimir Putin and Adolf Hitler, Labour leader Ed Miliband has said.
Mr Miliband said that many Britons "shared the Prince's concerns about President Putin's actions in Ukraine", which were reportedly voiced in a private conversation with a member of the public during his tour of Canada.
Dr Andrew Blick, a lecturer in politics at King's College, London, has said that it was a bad idea constitutionally for the Prince to make controversial political pronouncements, saying he is "supposed to be politically neutral."
Speaking of the royal reportedly comparing Vladimir Putin to Hitler he said:
Nigel Farage has suggested Prince Charles should not steer clear of diplomatic relations with Russia after the royal reportedly compared Vladimir Putin to Hitler.
"I'm a great supporter of the royal family, I really am. But we live in a constitutional monarchy and we have an elected government," he told said.
"Sometimes there are issues that it might be better if elected governments dealt with."
Clarence House has suggested Prince Charles' reported comments on Russian President Vladimir Putin were not intended to be made public.
Deputy Prime Minister Nick Clegg has defended the Prince of Wales' right to "express himself" in the wake of his reported controversial comments about Russian President Vladimir Putin.
"I have never been of this view that if you are a member of the royal family somehow you have to enter into some Trappist vow of silence," he told BBC Breakfast.
"I think he is entitled to his views. But I don't know whether those were his views because I just don't think providing a running commentary on what were private conversations is useful to anybody," Clegg said.
Labour MP Mike Gapes has criticised the Prince of Wales, following allegations that he compared Putin to Hitler whilst on an official tour of Canada.
A woman who fled Nazis said she was surprised the Prince of Wales compared Russian leader Vladimir Putin to Adolf Hitler, the Daily Mail reports.
Jewish museum volunteer Marienne Ferguson told the Prince she fled to Canada with her family shortly before the Nazis annexed the Baltic coastal Free City of Gdansk in 1939.
After meeting Charles, 78-year-old Mrs Ferguson said:
Latest ITV News reports
Prince Charles compared the actions of Russian leader Vladimir Putin to Adolf Hitler, it has been claimed by a museum volunteer in Canada.
Prince Charles' reported comments about Vladimir Putin have thrown him into the centre of a political row - but not for the first time.