King Charles says authorities have his ‘wholehearted’ support and insisted the ‘law must take its course’ after his brother is arrested on his 66th birthday

Andrew is the first senior royal in modern history to be arrested

Former prince detained on suspicion of misconduct in public office, Thames Valley Police says

The CPS says the offence carries a maximum sentence of life imprisonment

His Majesty says he heard of Andrew Mountbatten-Windsor’s arrest with ‘the deepest concern’