sentences:  On June 30, the Usbat Al-Ansar source said that 23 members of Jund Al Sham in the Ain Al Helweh camp on the outskirts of the port city of Sidon have joined up with Usbat at a meeting, while the rest had laid down their weapons.Usbat Al Ansar detained three other members of the group on suspicion of hurling a grenade at an army checkpoint, in an incident that caused no casualties.On July 12, after a lull in the fighting, the Lebanese army launched a new assault, towards the center of the camp where the last battle positions of the Islamists were.