The killing of 19 children at a school in Texas is the latest in a years-long series of mass shootings in the US.
At least 17 countries have reported new confirmed cases of monkeypox. No associated deaths have been reported to date.
Finland and Sweden have formally applied for membership of the 30-member military alliance.
The largest Nubian pyramids built over two thousand years ago can be seen in a new augmented reality experience.