Riot police clash with protesters of republican groups during protests in Dublin, Ireland, 17 May 2011, during the visit of Britain's Queen Elizabeth II. Protestors blocked traffic and then later began throwing rocks, bricks, bottles and fireworks at Gardai (police). Queen Elizabeth II is on an historic four day state visit to Ireland. EPA/ENDA DORAN
Police clash with protesters of republican groups during protests in Dublin, Ireland, 17 May 2011, during the visit of Britain's Queen Elizabeth II. Protestors blocked traffic and then later began throwing rocks, bricks, bottles and fireworks at Gardai (police). Queen Elizabeth II is on an historic four day state visit to Ireland. EPA/ENDA DORAN
Protesters of republican groups jostle with riot police during protests in Dublin, Ireland, 17 May 2011, during the visit of Britain's Queen Elizabeth II. Protestors blocked traffic and then later began throwing rocks, bricks, bottles and fireworks at Gardai (police). Queen Elizabeth II is on an historic four day state visit to Ireland. EPA/ENDA DORAN
Protestors take a break for a cheese sandwich at a republican protest close to the Garden of Remembrance in Dublin, Ireland, 17 May 2011, during the visit of Britain's Queen Elizabeth II. Protestors blocked traffic and then later began throwing rocks, bricks, bottles and fireworks at Gardai (police). Queen Elizabeth II is on an historic four day state visit to Ireland. EPA/ENDA DORAN
A protest of the political group republican Sinn Fein under heavy Garda supervision, close to the Garden of Remembrance in Dublin, Ireland, 17 May 2011, during the visit of Britain's Queen Elizabeth II. Protestors blocked traffic and then later began throwing rocks, bricks, bottles and fireworks at Gardai (police). Queen Elizabeth II is on an historic four day state visit to Ireland. EPA/ENDA DORAN
A protest of the political group republican Sinn Fein under heavy Garda supervision, close to the Garden of Remembrance in Dublin, Ireland, 17 May 2011, during the visit of Britain's Queen Elizabeth II. Protestors blocked traffic and then later began throwing rocks, bricks, bottles and fireworks at Gardai (police). Queen Elizabeth II is on an historic four day state visit to Ireland. EPA/ENDA DORAN
Riot police clash with protesters of republican groups during protests in Dublin, Ireland, 17 May 2011, during the visit of Britain's Queen Elizabeth II. Protestors blocked traffic and then later began throwing rocks, bricks, bottles and fireworks at Gardai (police). Queen Elizabeth II is on an historic four day state visit to Ireland. EPA/ENDA DORAN
A protest of the political group republican Sinn Fein under heavy Garda supervision, close to the Garden of Remembrance in Dublin, Ireland, 17 May 2011, during the visit of Britain's Queen Elizabeth II. Protestors blocked traffic and then later began throwing rocks, bricks, bottles and fireworks at Gardai (police). Queen Elizabeth II is on an historic four day state visit to Ireland. EPA/ENDA DORAN
Gardai (Irish Police) search a member of the public close to the Garden of Remembrance in Dublin, Ireland, 17 May 2011, during the visit of Britain's Queen Elizabeth II. Protestors blocked traffic and then later began throwing rocks, bricks, bottles and fireworks at Gardai (police). Queen Elizabeth II is on an historic four day state visit to Ireland. EPA/ENDA DORAN
Police clash with protesters of republican groups during protests in Dublin, Ireland, 17 May 2011, during the visit of Britain's Queen Elizabeth II. Protestors blocked traffic and then later began throwing rocks, bricks, bottles and fireworks at Gardai (police). Queen Elizabeth II is on an historic four day state visit to Ireland. EPA/ENDA DORAN
