Complex sentence: Some sources attribute the 1960 bombing of the Amara station in Donostia-San Sebastian (which killed a 22-month-old child) to ETA, but statistics published by the Spanish Ministry of the Interior showed the ETA's first victim was killed in 1968.
Split into simpler sentences: Some sources attribute the 1960 bombing of the Amara station in Donostia-San Sebastian (which killed a 22-month-old child) to ETA. However, statistics published by the Spanish Ministry of the Interior showed the ETA's first victim was killed in 1968.