NEW : Leaders from U.S. to Obama discuss climate change , disarmament . U.S. , Israeli representatives leave seats during Libyan president 's address . He was critical of the situations in Gaza as well as in Iraq and Afghanistan , where `` thousands of innocent people have been killed , injured or displaced , infrastructures have been destroyed and regional security has been seriously jeopardized . '' Iranian leader Moammar Gadhafi says U.N. Security Council brings terror , not security . Global challenges require unified action , U.N. Security Council secretary-general says .
NEW : Leaders from U.S. to Obama discuss climate change , disarmament . U.S. , Israeli representatives leave seats during Libyan president 's address . Iranian leader Moammar Gadhafi says U.N. Security Council brings terror , not security . Global challenges require unified action , U.N. Security Council secretary-general says .