A large effigy of Chris Grayling, the Justice Secretary, joins the massed protestors as part of the joint demonstration by probation officers and legal aid solicitors.A probation officer taking part in a protest against the privatisation of the probation service.Leaflets produced by the PCS trade union.Probation Officers and Legal Aid Solicitors gather outside the Houses of Parliament as part of a joint demonstration.A placard is held aloft outside the Houses of Parliament as part of the joint demonstration by probation officers and legal aid solicitors.Flags of the trade union PCS held aloft outside the Houses of Parliament as part of the joint demonstration by probation officers and legal aid solicitors.A placard used during a protest against the privatisation of the Probation Service.A large effigy of Chris Grayling, the Justice Secretary, joins the massed protestors as part of the joint demonstration by probation officers and legal aid solicitors.Probation Officers protest outside the Houses of Parliament as part of the joint demonstration by probation officers and legal aid solicitors.Protesters outside the Houses of Parliament wear maks of David Cameron and Chris Grayling as part of the joint demonstration by probation officers and legal aid solicitors.Members of the PCS trade union holding signs demanding a pay rise as part of the joint demonstration by probation officers and legal aid solicitors.A hand written placard is held aloft outside the Houses of Parliament as part of the joint demonstration by probation officers and legal aid solicitors.National Association of Probation Officers placards protesting about the government's 70% privatisation proposals held aloft outside the Houses of Parliament as part of the joint demonstration by probA NAPO banner is held aloft outside the Houses of Parliament as part of the joint demonstration by probation officers and legal aid solicitors.A protestor wears a mask of David Cameron outside the Houses of Parliament as part of the joint demonstration by probation officers and legal aid solicitors.A large effigy of Chris Grayling the Justice Secretary being used in a protest against the privatisation of the Probation Service.Humorous placards held held aloft outside the Houses of Parliament as part of the joint demonstration by probation officers and legal aid solicitors.A protester carrying a placard during a protest against the privatisation of the Probation Service.Protesters taking part in a demonstration against the privatisation of the Probation Service.Flags of the trade union PCS held aloft outside the Houses of Parliament.