One person has been hospitalised after a toxic gas leak at a Mosgiel workplace today.
St John said one person was transported to Dunedin Hospital in a serious condition.
"Two other patients are currently being assessed," St John said in a statement.
Fire and Emergency NZ said crews were sent to the scene of a "hydrogen sulphide leak from a truck" in Mosgiel just after midday.
"The leak has been contained at this stage are there are no units on site anymore," it said in a statement.
SHARE ME