A woman and her child walk past a mural depicting Ulster Volunteer Force gunmen in the mainly protestant area of East Belfast on June 23, 2011 in Northern Ireland. The Short Strand and Newtonards Road areas of East Belfast remained mostly peaceful after Protestant and Catholics groups were involved in a stand-off overnight. (Photo by Peter Macdiarmid/Getty Images)

A woman and her child walk through a housing area in the mainly protestant area of East Belfast on June 23, 2011 in Northern Ireland. (Photo by Peter Macdiarmid/Getty Images)

A man walks past a mural celebrating the building of The Titanic at nearby Harland and Wolff shipyard in the mainly protestant area of East Belfast on June 23, 2011 in Northern Ireland. (Photo by Peter Macdiarmid/Getty Images)

A man walks his dog past a faded mural in the mainly protestant area of East Belfast on June 23, 2011 in Northern Ireland. (Photo by Peter Macdiarmid/Getty Images)

A flag with images of The Duke and Duchess of Cambridge flutters in sight of The Harland and Wolff shipyard in the mainly protestant area of East Belfast on June 23, 2011 in Northern Ireland. (Photo by Peter Macdiarmid/Getty Images)