IDF forces arrested three wanted Palestinian terror suspects throughout the day during operations in Kalkilya. A handgun and two magazines were found during a search conducted by soldiers. The men were transferred to security forces for questioning. Also Tuesday, two Palestinians were arrested Tuesday afternoon during a violent anti-security fence demonstration in Ni'ilin, near Modi'in, the IDF said. Some 200 Palestinian and left-wing Israeli activists gathered at the site to protest the construction of the barrier. The army said the crowd threw stones at Border Police forces. The protesters claimed that 16 demonstrators were wounded when soldiers fired stun grenades to disperse the crowd. Earlier in the day, Palestinian terrorists in Gaza fired two Grad-type missiles at southern Israel. One rocket landed near the western Negev town of Netivot while the other hit the Sdot Negev region. The missiles landed in open areas, causing neither casualties nor damage. Overnight Monday, IDF troops arrested ten Palestinian terror suspects during West Bank operations. Two were captured in Kalkilya, three were nabbed in Nablus, two near Bethlehem and another three were apprehended near Hebron. The fugitives were all detained by security forces for questioning.