UAE: Shedding weight is as good as gold under an unusual slim-down initiative in Dubai amid growing concerns about rising obesity levels in the wealthy Gulf city state.

Police radio transcripts from the night of a deadly tiger attack revealed a chaotic scene at the San Francisco Zoo as zookeepers struggled to sedate the animal and medics refused to enter until they knew they would be safe.

Police are today reportedly investigating whether one or more of the young men mauled by a tiger at the San Francisco Zoo may have taunted the animal.

The big cat exhibit at San Francisco Zoo was cordoned off as a crime scene today as investigators probed whether a 21-stone Siberian tiger that killed a visitor escaped from its high-walled pen on its own, or was let out deliberately.

A tiger escaped from its pen at the San Francisco Zoo today, killing one man and critically injuring two others before police shot it dead, authorities said.