Complex sentence: Following the Saur Revolution on 28 April 1978, Dr. Mirranay was imprisoned by Taraki's communist government and upon his release in 1980 escaped to a Pakistan refugee camp.
Split into simpler sentences: Following the Saur Revolution on 28 April 1978, Dr. Mirranay was imprisoned by Taraki's communist government. Upon his release in 1980 he escaped to a Pakistan refugee camp.