Over 1,150 sites in the West Bank have been searched and more than 330 Palestinians arrested, the IDF said, in its mission to weaken Hamas while in pursuit of the three teens who went missing in Gush Etzion more than a week ago. On Saturday the IDF appeared to step up the search for the teens around Hebron. A Reuters witness said hundreds of troops arrived in the area, which the army declared on Friday a closed military zone.In Ramallah, IDF forces raided the offices of a production company that provides services for a number of media outlets, including Hamas's al-Quds channel.An IDF spokeswoman said the soldiers found Hamas "electronic devices and magnetic media used for terrorism," but she gave no further details.Security forces also raided welfare organizations accused of aiding Hamas, accused of abducting Gil-Ad Shaer, Naftali Fraekel and Eyal Yifrah.Palestinian news agency Ma'an reported that clashes broke out on Saturday between young Palestinian men and IDF forces during raids in the central West Bank city of el-Bireh.According to the report, the Palestinian youths hurled stones and bottles at the Israeli troops who responded with crowd dispersal tactics, including firing tear gas and rubber bullets. No arrests were reported.