A spokesman for the agency has not returned a message seeking comment.

"I still feel that way, we all feel that way, that's why it's difficult," Rob Tibbetts said. "I want to be there when she arrives."

A 46-year-old suspect named Scott Michael Greene was taken into custody shortly after police identified him as someone who may have "critical" information in what police are calling "ambush-style attacks" that killed two police officers in Iowa

Two Iowa police officers were found fatally shot in their squad vehicles at separate intersections near Des Moines early Wednesday, and police are urgently hunting for whoever killed them.

Republican vice-presidential candidate Mike Pence has had a narrow escape after his plane slid off the runway while landing in New York City.