Viral videos on social media claim to show US President Joe Biden either "shaking hands with a ghost" or with "thin air".

The number of births and weddings in Germany has fallen to its lowest level in a decade, especially in the eastern part of the country.

Investigators teamed up with colleagues from the Balkans and Lebanon in raids set up by months of intense surveillance. Authorities say the operation thwarted over €10 million in damages and led to 21 arrests.