Secretary of State John Kerry on Tuesday ruled out U.S. air strikes in Iraq so long as its government remains fractured along sectarian lines and incapable of combating extremist Sunni militants who are capturing towns in the country’s north.

Kerry told CBS News that the U.S. military was prepared to provide assistance to Iraqi troops, but launching air strikes at this moment would constitute “a complete and total act of responsibility.”

“There’s no government, there’s no backup, there’s no military, there’s nothing there that provides the capacity for success,” Kerry said.