volatile

Prof Larner said establishing the campus was "low risk", while acknowledging that the former Soviet republic was "in an interesting part of the world" at a "volatile time geopolitically".

It is often a volatile environment where officers deal with violent people and vulnerable individuals, including young people and those with mental health issues.

"It was very clear very quickly that it was a highly volatile selection of items," she told prosecutor Timothy Sapwell.

Turning wood waste into gas also generates a thick, black tar composed of volatile organic compounds — which are also common contaminants following wildfires.

Some universities are much more exposed than others to volatile foreign student income.