unexplained

“This sudden, unexplained action feels like it was enacted without any care or consideration.”

Police Scotland said that his death was being treated as unexplained and extensive inquiries were ongoing to establish the full circumstances.

Thames Valley Police said the flames were quickly brought under control and said the deaths were currently being "considered unexplained".

But much is still unexplained: ������ about the charred bones found on the ranch grounds?

With unexplained fevers, neutropenia and a family history, my suspicion that I might have cancer was fairly high.