AlQa'dah 11, 1434, Sep 17, 2013, SPA -- UN Secretary General Ban Ki-moon said Tuesday he will ask world leaders to act to stop the use of chemical weapons in the Syrian conflict, dpa reported. "I will make a strong appeal to world leaders in next week's UN General Assembly for action" in Syria, Ban told a news conference. He said also that a UN Security Council resolution on Syria should have teeth. Based on findings that hundreds of people were killed by chemical weapons last month in the suburbs of Damascus, Ban called for the perpetrators of the attacks to be brought to justice.