Last updated at 05:45

Pictures: Norwich wakes up to a gorilla invasion

Gorilla fever grips Norwich as more than 50 life-sized sculptures are installed throughout the city for a conservation art trail.
A trail of 53 full-size gorillas have appeared around Norwich, in the east of England.
Go Go Gorillas
Money raised from the charity auction will go towards the Norfolk Break charity and the Born Free Foundation to help eastern lowland gorilla conservation projects in the Democratic Republic of Congo.
Go Go Gorillas arrive at Norwich station
The gorillas, each weighing about half a tonne, were installed throughout Norwich city centre in the early hours of Sunday.
Iron Man Go Go Gorilla in Norwich
The gorillas have been put around Norwich to create a conservation art trail throughout the city centre.
Stephen Fry on Norwich Go Go Gorilla
The gorillas were painted by local artists and schools.
Artist paints Go Go Gorilla
The trail runs for 10 weeks before the artwork is auctioned for charity.
Go Go Gorilla in Norwich