An Australian tourist is being questioned by Vietnamese police after allegedly going on a rampage in a cafe and being taken away in his underwear.

An Australian man was detained by police after he smashed coffee machines, antique decorations and customers' belongings at a café in central Da Nang in the early hours of May 30.

An Australian tourist is being questioned by Vietnamese police after allegedly going on a rampage in a cafe and being taken away in his underwear.

The man is accused of causing thousands of dollars of damage at GE Cafe in Da Nang

The man is accused of causing thousands of dollars of damage at GE Cafe in Da Nang

He destroyed bar equipment and furniture, and customers’ belongings, including laptops and mobile phones.