Defense authorities from the United States announced the killing of Maher al-Agal, the Islamic State chief in Syria, in a drone operation in which one of the terrorist leader's aides was also wounded.
The United States is willing to work with Iran and Russia to try to end the Syrian conflict, US President Barack Obama on Monday but insisted there could not be a return to the status quo under Syrian President Bashar al-Assad.
Saudi Arabia's Gulf Arab allies and Egypt have applauded its decision to reject a UN Security Council seat in protest at the world body's failure to act on Syria, whose leader is backed by Russia and Shi'ite Iran.
The third summit of leaders from South America and Arab Countries, ASPA, will take place in Lima, Peru next 1 and 2 October but without the attendance of Paraguay and Syria which have been suspended from their respective blocks, according to Peruvian Deputy Foreign Minister Jose Beráun.
Crowds have set fire to the courthouse and other buildings on a third straight day of demonstrations in the southern Syrian city of Daraa. Residents said one person was killed and scores injured when security forces used live rounds against protesters. Witnesses said dozens were also taken to be treated for tear gas inhalation at the main Omari mosque.