The U.N. Security Council is expressing its "deep outrage" at the killings, kidnapping, rapes and torture by the Islamic State group in Iraq.

A press statement Friday evening notes that some of the actions "may constitute war crimes and crimes against humanity."

The statement urges the international community to increase its support of Iraq's government and security forces.

The council also welcomes the appointments of Iraq's defense and interior ministers and the swearing-in of Kurdish ministers, "which completed the formation of an inclusive Government that represents all segments of the Iraqi population."

The Islamic State group has alarmed the international community with its recent seizure of a third of Iraq's territory and parts of neighboring Syria.

Iraq now faces its worst crisis since the 2011 withdrawal of U.S. troops.