 In another development, a rift developed between Fatah in the West-Bank and Hamas in Gaza after Hamas won the 2006 elections.Among other differences, Fatah officially recognizes the Oslo Accords with Israel, whereas Hamas does not.As of May 2012, the United States Senate Appropriations Committee approved a definition of a Palestine refugee to include only those original Palestine refugees who were actually displaced between June 1946 and May 1948, resulting in an estimated number of 30,000.