Complex sentence: The same day, rebels claimed they were still in control in Zawiya; however, just a few hours later, a pro-Gaddafi rally was held in the center of the city, witnessed by 100 foreign journalists, confirming the city was retaken.
Split into simpler sentences: The same day, rebels claimed they were still in control in Zawiya. However, just a few hours later, a pro-Gaddafi rally was held in the center of the city, witnessed by 100 foreign journalists, confirming the city was retaken.