similar mechanism to be universally applied. therefore a mechanism of retribution could be triggered, and if there is a use in ukraine. tactical teams could be deployed to take samples and send to laboratories and the origin of the chemical weapon could be identified. thereby those who are responsible... 0k, former director—general of the opc w, thank you forjoining us in the programme. as we have been reporting, european leaders have been meeting in france in the palace of versailles for a scheduled meeting which focused on the emergency situation in ukraine. the french president warned of the impact it could have on global food