The King has said that police have his "full support and cooperation " after the arrest of Andrew Mountbatten-Windsor on suspicion of abuse of office.
Charles said in an unprecedented statement that " the law must take its course ," after expressing his "deepest concern" over his brother's arrest.
Andrew was arrested today, on his 66th birthday, and is in police custody following a raid on his new Sandringham residence.
The king said in a statement released by Buckingham Palace that the police would have his "full support and cooperation ."
Buckingham Palace statement:
I learned with the deepest concern the news about Andrew Mountbatten-Windsor and the suspicion of abuse of office in public office.
What follows now is a full, fair and orderly process, through which this matter will be investigated in the proper manner and by the relevant authorities.
In this regard, as I said before, they have our full support and cooperation.
I want to state clearly: the law must take its course.
While this process continues, it would not be appropriate for me to comment further on this matter. In the meantime, my family and I will continue our duty and service to you all.
Thames Valley Police arrested the King's younger brother, eighth in line to the British throne, this morning on suspicion of abuse of office in a public office.
The Daily Mail was the first to report that plainclothes officers, transported in six unmarked vehicles, had arrived at Wood Farm, where Andrew currently lives, at 8am.