Complex sentence: The Chadians then began aggressively pursuing the Libyans northward through the desert toward Aouzou, along the way inflicting numerous casualties on the Libyan Army, which suffered 650 killed, 147 taken prisoner, 111 military vehicles captured, and at least 30 tanks and APCs destroyed.
Split into simpler sentences: The Chadians then began aggressively pursuing the Libyans as they retreated northward through the desert toward Aouzou. The Libyan Army suffered 650 killed, 147 taken prisoner, 111 military vehicles captured, and at least 30 tanks and APCs destroyed.