Astronomer's Andy Byron has resigned after going viral on social media when he was awkwardly caught cuddling with a female employee while at a Coldplay concert.

A US tech company announced that it has launched an investigation after a big screen embrace at a Coldplay concert - rumoured to involve two of its employees, including its CEO - went viral.

The incident, which has dominated social media, was a stark reminder of how quickly things can spread thanks to social media and how cameras are surrounding people at all times.