Animal activists have condemned staff at an Indonesian zoo after an orangutan was filmed smoking.
A visitor flicked a cigarette into an enclosure at the zoo in Bandung, and Odon the 22-year-old orangutan picked it up and started smoking, BBC News reported.
Zoo staff said the incident was regrettable, and the guard may have been on his break at the time.
A spokesperson told BBC News there were measures in place to prevent this type of incident from happening.
"There's actually a sign at the location which says visitors are not allowed to give food and cigarettes to the animals," the spokesperson said.
Indonesia has one of the highest smoking rates in the world and a bad record of animal protection.
Marison Guciano, founder of the Indonesia Animal Welfare Society, attacked the zoo's management for "weak control".
"Almost all zoos are in poor condition... from the cages and feeding needs to the animals' health," he said.
Calls to shut the zoo, located 150km southeast of the capital Jakarta, have been growing in recent months.