Orangutan 'killers'

They used a 4.5-millimetre calibre airsoft gun to shoot the orangutans out of trees before their six hunting dogs chased them in East Kalimantan, Indonesian Borneo.

 Dead orangutans hang from a wooden tower at a palm oil plantation in East Kalimantan province on Indonesia's Borneo island

Two Indonesian workers recover a dead orangutan at the plantation in this picture circulated to journalists by concerned local villagers

When the animal rescue group found the 'clearly petrified' mother and baby they discovered a gang of young men who were looking to cash in on the palm oil companies' offer of £70 per orang-utan