WASHINGTON—Defense Secretary Lloyd Austin underwent a medical procedure Friday night related to a previous bladder issue and temporarily handed his duties over to his deputy, the Pentagon said.

The Pentagon confirmed Sunday that Defense Secretary Lloyd Austin was hospitalized Jan. 1 after experiencing "severe pain" from complications of a Dec. 22 elective surgery. But officials struggled ...

US Defence Secretary Lloyd Austin underwent surgery ... The White House says it did not know of Austin's diagnosis until Tuesday morning. A Pentagon spokesperson admitted that it could have ...