Prince Harry 'to be asked to toe key royal line' even if Trump wins US election

has been urged to continue not getting involved in US politics - even if wins the .

The Duke of Sussex, although originally from the United Kingdom, now resides in California with his wife Meghan Markle and their two children.

As a member of the Royal Family, Harry has been encouraged throughout his life not to get involved in politics and not to vote.

With the 40-year-old now not a senior working royal, it has often been wondered if he would speak out about his political stance or continue to toe the line as other prominent working royals.

Speaking on behalf of , former royal butler Grant Harrold said: "Royals historically haven't got involved in politics, so it would be interesting to see how this would work. Royals do touch on political matters, such as things governments work on, including climate change.

"However, getting involved in politics is a very fine line. If Harry did this, it would be tricky, he's fifth in line to the throne.

"He'd probably be asked not to do that, and the royals are, of course, encouraged not to vote. "

Prince Harry never publicly shared his views on the Republican presidential candidate. However, it has been reported he may be leaning towards the Democrats given Meghan Markle's previous remarks on Trump and her .

This comes after

Royal expert Richard Fitzwilliams told Express.co.uk: "Harry was extremely foolish to discuss his drug taking in Spare both in interviews and in the memoir, available in paperback. However, the Sussexes have kept a relatively low profile during the Election, urging Americans to vote but not being explicit as to whom for.

"It is most unlikely that Trump would risk an embarrassing episode involving the Royal Family by expelling Harry if it was discovered that he had not revealed his drug taking on his Visa application."

Despite it being clear that the Sussexes and the former president are not on friendly terms, he concluded: "We know that Trump and the Sussexes detest each other but... it is safe to assume the Sussexes would be left in peace."