Original sentence: Both Arrospide and Simon were members of the Basque terrorist group ETA.Hipercor generally stocks a wide-range of household and food products across large floorspaces (1 or 2 storeys) the rest of the building belongs to tiendas El Corte Inglés (which is a smaller version of El Corte Inglés Itself).On June 19, 1987, a car bomb exploded in the underground car park of a Hipercor supermarket in Barcelona, killing 21 civilians and injuring 45, amongst them several small children
Edited sentence: Both Arrospide and Simon were members of the Basque paramilitary group ETA.Hipercor generally stocks a wide-range of household and food products across large floorspaces (1 or 2 storeys) the rest of the building belongs to smaller El Corte Inglés shops (which are a smaller version of El Corte Inglés itself).On 19 June 1987, a car bomb exploded in the underground car park of a Hipercor supermarket in Barcelona, killing 21 civilians and injuring 45, amongst them several small children