A peer has criticised the Metropolitan Police after she was arrested during a demonstration in Parliament Square.
Baroness Jones, a Green member of the London Assembly, joined the Occupy London protest.
She claims she was detained by police "for putting my arms around someone they were trying to arrest".
Jones, a former member of the Metropolitan Police Authority, says was later "de-arrested".
Jenny Jones was arrested this morning at Parliament Square when visiting the protestors there. She was witness to a close friend being arrested as part of the protest in defence of civil liberties and the right to protest. She was released soon afterwards.
Jenny is a former member of the Metropolitan Police Authority and is deputy chair of the London Assembly Police and Crime Committee. She has been a consistent advocate of civil liberties and has worked closely with the police on how protests should be facilitated.
Jenny Jones said: