Karl Eikenberry, the U.S. ambassador to Afghanistan, said Gen. Stanley McChrystal apologized to him for disparaging remarks in a Rolling Stone article about Eikenberry and other officials.

"He very graciously gave me a call and apologized," Eikenberry told reporters in remarks to reporters on Thursday. Eikenberry said he hadn't read the article but heard about some of the things in it.

McChrystal resigned from his post as commander of the NATO-led forces in Afghanistan over his remarks.