Complex sentence: Klein chased him into a butcher shop, where Gabčík shot him twice with his pistol, severely wounding him in the leg, and then escaped to a local safe house via tram.
Split into simpler sentences: Klein chased him into a butcher shop, where Gabčík shot him twice with his pistol, severely wounding him in the leg. Gabčík then escaped to a local safe house via tram.