Government forces also seized the nearby port town of Zwitina, which sits off that northern road, giving Col. Gadhafi positions on all side of Ajdabiya, activist Abdel-Bari Zewi told the AP.
Gadhafi's forces bomb airport at rebel stronghold →
"The rebels appear only at night, not in the morning," he said. "When we woke up this morning, we found Gadhafi's troops still there."