Complex sentence: About 200 locals were rounded up and pushed towards a cliff, where they were to be machine-gunned, however they were let go after the retreating Romanian Army, stationed nearby at Poarta Sălajului, threatened to intervene.
Split into simpler sentences: About 200 locals were rounded up and pushed towards a cliff, where they were to be machine-gunned. However, they were let go after the retreating Romanian Army, stationed nearby at Poarta Sălajului, threatened to intervene.