It comes after lawyers for the Labour peer complained about the force's decision to arrest him on Monday.
The BBC understands that Lord Mandelson's position is he has not acted in any way criminally and that he was not motivated by financial gain. Lawyers for the peer say he intends to co-operate with police to "clear his name".
— Source: BBC News (https://www.bbc.com/news/articles/c8d5792yj9qo)
