A drill simulating a “highly toxic chemical attack” in a heavily populated stadium took place in Poland.
It came on the same day the French prime minister Manuel Valls warned France could face chemical or biological weapons in the war with ISIS.
Emergency crews – including fire, army and the police – took part in the huge exercise in the subway station of the Warsaw National Stadium.
The scenario surrounded passengers succumbing to fumes from a suspected toxic chemical release of sarin gas.
Ambulance, police and fire crews were initially sent to the scenario before army troops were drafted in.
Read more: dailystar.co.uk