Cameron heckled by a volunteer

Britain's Prime Minister David Cameron is heckled by a volunteer (R) as he talks to London 2012 Olympic and Paralympic Games volunteers, as they prepare for the start of the games in a month's time at the Uniform Distribution and Accreditation Centre, (UDAC) in east London June 26, 2012. The volunteer, who yelled, "Shame on you, Mr. Cameron" was escorted out.[Photo/Agencies]

Britain's Prime Minister David Cameron is heckled by a volunteer (R) as he talks to London 2012 Olympic and Paralympic Games volunteers, as they prepare for the start of the games in a month's time at the Uniform Distribution and Accreditation Centre, (UDAC) in east London June 26, 2012. The volunteer, who yelled, "Shame on you, Mr. Cameron" was escorted out.[Photo/Agencies]