Israeli troops detained 37 Palestinians in the West Bank during the night as its arrest campaign entered its 11th day on Monday, with ** sign of three teenagers thought kidnapped by Hamas. Since the youths disappeared from a hitchhiking stop in the southern West Bank on June 12, Israel has been rounding up hundreds of Palestinians in a bid to find them, while also dealing a crushing blow to the Islamist movement's West Bank network. "Overnight, the forces detained 37 suspects and searched 80 locations, specifically in the area **rth West of Hebron, Beit Awwa (southwest of Hebron) and also in (the **rthern city of) Jenin," an army spokeswoman said. So far, troops have arrested 361 people, among them 250 Hamas members and 57 who were freed during a 2011 prisoner swap deal to secure the release of Gilad Shalit, a soldier held in Gaza for five years by Hamas, the army said.