Manhunt in Germany after mass stabbing

German police are hunting for an attacker who killed three people and wounded several others with a knife at a festival in the city of Solingen.

Also in the programme: Robert F Kennedy Jr drops out of the US election race and endorses Donald Trump; and the giant scorpions once ruled the sea more than 400 million years ago.

(Photo: Police officers secure the area of an incident after several individuals were killed in a knife attack at a city festival in Solingen. Credit: REUTERS/Thilo Schmuelgen)