Bulgaria to test civil defence warning sirens in Sofia and other cities on October 1
Bulgaria will hold a regular test of its civil defence warning siren system at 1pm on October 1 2018 in Sofia and a number of other cities and towns, the Interior Ministry announced on September 30.
The sirens will sound, apart from in Sofia, in Plovdiv, Varna, Bourgas, Rousse, Vratsa, Kurdzhali, Montana, Pazardzhik, Pleven, Smolyan and a 30km zone around Kozloduy nuclear power station.
The tests, conducted in Bulgaria at various times of year, involve the sounding of sirens and voice announcements, concluding with the “all clear”.