By Adam Evans
Belfast Zoo says it's extremely saddened to announce the death of Tina the Elephant.
Tina was 54 - one of the oldest elephants living in the Zoo.
She arrived in 1966 and after collapsing this morning zoo and veterinary staff took the "very difficult decision" to put her to sleep.
A spokesperson for Belfast City Council said: "Belfast Zoo staff are extremely saddened by the death of much-loved Asian elephant, Tina. At age 54, Tina was one of the oldest elephants living in the Zoo arriving in 1966.
"Tina collapsed in the early hours of this morning and the very difficult decision was made by zoo staff and veterinary staff to put her to sleep.
"Belfast Zoo will remain open as normal, however the elephant house will be closed until further notice."