Acid attack girls arrive at hospital in London

The girls were walked from an ambulance with towels covering their heads.

Two British teenagers attacked with acid on Zanzibar have arrived at hospital in London.

Volunteer teachers Katie Gee and Kirstie Trup, both 18, are understood to have been flown in to RAF Northolt in London, to be reunited with their families.

A photograph released by the girls' families showed the injuries one of them suffered in the attack.

The girl is shown wearing an open striped shirt and a silver necklace.

What appear to be acid burns are clearly visible on her chin, neck and upper chest.

The image showed burns to the girl's face and chest.

Five men are being questioned by police on the Indian Ocean island after the women were attacked by men on a motorbike as they walked along a road on Wednesday night.