Complex sentence: In spite of its success, the army failed to capture Zawahiri or he was never in them; the ISPR later admitted that it was Soviet Uzbek Tohir Yo'ldosh who was surrounded, not Zawahiri.
Split into simpler sentences: In spite of its success, the army failed to capture Zawahiri. The ISPR later admitted that it was Soviet Uzbek Tohir Yo'ldosh who was surrounded, not Zawahiri.