19 people are being treated in Hampshire in the United Kingdom after a suspected gas leak on Tuesday.
All of the people were in two stores at Hedge End, a shopping center near Southampton, reported BBC.
Emergency services said the situation was a “major incident.”
Police said evacuations of the two stores–Sainsbury’s and Marks and Spencer–was done after people began coughing and complaining about feeling sick.
The shops have been cordoned off and police are investigating the situation.