RIYADH, Saudi Arabia — Saudi King Abdullah opened the annual summit of Gulf leaders with a warning that the Arab world was on the brink of exploding because of conflicts in the Palestinian territories, Iraq and Lebanon. ‘Our Arab region is besieged by a number of dangers, as if it was a powder keg waiting for a spark to explode,’ he told the rulers of the oil-rich monarchies gathered in Riyadh for a two-day meeting to the backdrop of mounting sectarian violence in neighboring Iraq. The Palestinians were reeling from ‘a hostile and ugly occupation’ by Israel while the international community watched their ‘bloody tragedy like a spectator,’ Abdullah said. But ‘most dangerous for the (Palestinian) cause is the conflict among brethren,’ he said in a reference to the differences between Palestinian president Mahmud Abbas’s Fatah faction and the Islamist Hamas movement that have blocked the formation of a unity government. In Iraq ‘a brother is still killing his brother,’ Abdullah said of the tit-for-tat killings between the Sunni Arab former elite and the ruling Shiite majority. Abdullah also warned that Lebanon, which was rocked by civil war in 1975-1990, risked sliding into renewed civil […]