Complex sentence: By the end of August the fighting intensified in Lika as well, specifically as the Battle of Gospić continuing through much of September, followed by the killing of civilian population in Široka Kula, a village to the northeast of Gospić, the next month.
Split into simpler sentences: By the end of August the fighting intensified in Lika as well, specifically as the Battle of Gospić continuing through much of September. The battle was followed by killing of civilian population in Široka Kula, a village to the northeast of Gospić, the next month.