Hagel resigns amid reports of differences over US policy
Chuck Hagel has resigned as US defence secretary after less than two years in the role.
President Barack Obama confirmed his resignation and paid tribute to his "class and integrity".
Mr Hagel, 68, a Vietnam war veteran and former Republican senator, will stay in his post until his successor is confirmed.
The BBC's North America Editor Jon Sopel reports.
24 Nov 2014
- From the section US & Canada