Former Israeli President Shimon Peres, right and Palestinian President Mahmoud Abbas arrive to attend the opening session of the World Economic Forum at the King Hussien convention center, Southern Shuneh, Jordan, Friday, May 22, 2015. Palestinian President Mahmoud Abbas on Friday said Israel is blocking peace by continuing to expand settlements on occupied territory, but reaffirmed his support for a two-state solution based on the pre-1967 border.