Complex sentence: On October 5, three FANK brigades were commited to capture the areas around Phnom Santuk, the fighting there grows in intensity as both the Cambodians and the Communist VPA forces engaged in hand-to-hand combat.
Split into simpler sentences: On October 5, three FANK brigades were committed to capture the areas around Phnom Santuk. The fighting there grew in intensity as the Cambodians and the Communist VPA forces engaged in hand-to-hand combat.