Kate Middleton sends “strongly worded message” to Taylor Swift after new backstage selfie with Prince William

were wary of publicly criticising the heir to the throne over the intervention.

Andrew Percy, vice-chairman of the all-party parliamentary group on anti-semitism, told MailOnline: ‘The underlying principle of our constitutional monarchy is that members of the royal family do not engage in contentious political issues of the day on which there are divergent and strongly-held beliefs in this country.

‘Members of the royal family would do well to remember that.’

A former minister said: ‘I think that it is very unwise for him to get involved in an issue like this. He is getting some seriously bad advice. I can only assume that he has not been able to speak to the King, because he would certainly not have approved.’William – whose father Charles has been outspoken on environmental concerns – said today: ‘I remain deeply concerned about the terrible human cost of the conflict in the Middle East since the Hamas terrorist attack on 7 October. Too many have been killed.

‘I, like so many others, want to see an end to the fighting as soon as possible. There is a desperate need for increased humanitarian support to Gaza. It’s critical that aid gets in and the hostages are released.

‘Sometimes it is only when faced with the sheer scale of human suffering that the importance of permanent peace is brought home