to the passage below and then answer the question afterwards in the same language as the passage: Passage: On 3 April 2017, a device containing 200<unk>300 grams (0.44<unk>0.66 lb) of explosives detonated on a train traveling through a tunnel between the Sennaya Ploshchad and Tekhnologichesky Institutes stations of the Saint Petersburg Metro. Gẹgẹbi alaye kan lati ọdọ Ile-iṣẹ ti Awọn ipo pajawiri, bombu naa ti wa ni titan lori ọkọ kẹta ti ọkọ oju-irin naa. Awọn ẹlẹri oju-iwe sọ pe ibọn naa waye nitosi ẹnu-ọna. Lẹsẹkẹsẹ lẹhin ibọn, ẹfin kún pẹpẹ naa. Fidio lati media media fihan ọpọlọpọ awọn olufaragba lori pẹpẹ ati ẹnu-ọna irin kan ti o tan nipasẹ agbara ti ibọn naa. Ni atẹle awọn iroyin ti ibọn naa, gbogbo awọn ibudo metro ni Saint Petersburg ni a pa ni kiakia. Ni aṣalẹ aṣalẹ, awọn iṣẹ metro ni a ti pa lori Lines 3, 4, ati 5. A ṣe awari ibọn keji ati imukuro ni Vosstadichaniya. Ẹrọ naa ni awọn skru ti o farapamọ laarin ib
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