US aid worker freed over 6 years after kidnapping in Niger

American aid worker Jeff Woodke has been released more than six years after being kidnapped by militants in Niger, US officials said on Monday.

Woodke's release was announced days after US Secretary of State Antony Blinken traveled to Niger for an official visit, becoming the first top US diplomat to visit the country.

"I’m gratified & relieved to see the release of US hostage Jeff Woodke after over 6 years in captivity," US national security adviser Jake Sullivan said on Twitter. "The US thanks Niger for its help in bringing him home to all who miss & love him."

A senior administration official praised efforts of Niger in helping secure the release of Woodke but declined to say where he was exactly on Monday. The official, who spoke to reporters by phone and on the condition of anonymity, added that Woodke's family had been notified.

His wife Els said she had not yet heard from him, but was told that he was in good condition, a statement on a website calling for his freedom said.

"She has expressed her profound thanks to the many people in governments and others around the world who have worked so hard to see this result. She praises God for answering the prayers of Christians everywhere who have prayed for this outcome," the statement said.

There were no direct negotiations with the militant organization that held Woodke, and no ransom or so-called quid pro quo was part of his release, the senior US official said.

It was not entirely clear where Woodke was held during his captivity, the official said, but he was known to have been in multiple locations and multiple countries.

The official declined to say which group held him but described it as a "captive network that operates across parts of Niger, Mali and the Burkina Faso area."

Woodke was released outside of Niger. The New York Times first reported his release.

The official also said Niger was part of the effort that helped free a second US citizen held by the same network, although he did not name that citizen or provide details around their release.