Nigeria, May 23 -- The US Director of National Intelligence, Tulsi Gabbard, has resigned.

The intelligence chief submitted her resignation on Friday and attributed the decision to the need to support her husband, Abraham Williams, who was diagnosed with bone cancer.

In a statement on Friday, Mrs Gabbard said his sickness makes it mandatory for her to step away from the "public service to be by his side and fully support him through this battle."

"Abraham has been my rock throughout our eleven years of marriage, standing steadfast through my deployment to East Africa on a Joint Special Operations mission, multiple political campaigns, and now my service in this role," she said.

His strength and love have sustained me through every chal...