Lebanon's president has accused Israel of "barbarous aggression" during its recent war with the Lebanese militant group Hezbollah.
In his address Thursday before the United Nations General Assembly, President Emile Lahoud accused Israel of targeting mostly civilians, and killing and maiming thousands.
Earlier, Serbian President Boris Tadic said resolving the status of Kosovo is one of the most difficult problems facing his country.
He said the best solution for the region's ethnic Albanian majority lies in a loose association with Belgrade. The Security Council is expected to take up the Kosovo issue Friday.
Colombia's President Alvaro Uribe asked for more international support for his country's war on drugs. He described the drug trade as criminal, bottomless and the main obstacle to peace.
Iraq's President Jalal Talabani is scheduled to address the General Assembly Friday, as well as Georgian President Mikhail Saakashvili.