Complex sentence: He was at first engaged to Fatima Farhana, an Uzbekistani girl, but he was kidnapped a night before their wedding and Farhana was murdered by his kidnappers.
Split into simpler sentences: He was at first engaged to Fatima Farhana, an Uzbek girl. But unfortunately he was kidnapped a night before their wedding, and Farhana was murdered by his kidnappers.