Gabbard who has been largely out of public view during recent US operations says she is leaving due to her husband's illness.

The Pentagon discloses scores of UFO files with reported sightings of spheres, discs and fireballs spanning nearly 80 years.

More than 30 people, including firefighters, were hurt in the incident, which was described as "a complex, fast-developing emergency situation".

Images from a cave where the four Italians were found reveal the difficulty that rescuers had in recovering their bodies.

President Donald Trump says he wants to send more troops to Poland, a week after his officials cancelled a similar deployment.

Alberta's decision to hold a referendum on separation has been widely criticised, including by separatists who say the question is not definitive enough.