Tuna fish eats a seagull by mistake. What happens next?

This video shows people on a quay clearly enjoying throwing food to a hungry tuna fish.

However, an unfortunate seagull gets in the way, landing on the water in the hope of getting some of the food for itself.

See also: Scary moment octopus grabs seagull

But in an instant, the poor bird inadvertently becomes dinner for the tuna fish.

Luckily though, fish don't like eating seagulls - because moments later the gull appears to be spat out again.

See also: 'Killer seagull' on the rampage in Hyde Park

Thankfully neither tuna nor seagull were hurt in the making of this video.