In statement on his official Web site, defeated presidential candidate urges supporters to take 'green path' they have followed in recent months by holding small, large gatherings
Hamas demanding release of about 1,000 Palestinian prisoners in exchange for captive Israeli soldier Gilad Shalit, held for more than three years in Gaza Strip
Collapse in negotiations adds to simmering tensions between Beijing and Canberra following detention of four employees of Australia's biggest iron ore producer, Rio Tinto