The IOF has enforced a curfew and taken other desperate measures in the Awarta village overlooking Itamar near Nablus city in the northern West Bank.
Soldiers have arrested three Palestinian men at a roadblock set up at the Halhoul Bridge leading into Al-Khalil city from the north, sources told the PIC.
Another man was arrested in Al-Khalil city after police raided his home. Where he was taken has not been identified.
Eight other men were arrested the same morning during intense search raids in Bethlehem, Israeli Army Radio reported.
They were taken to Etzion for questioning.
New evidence suggests the culprit in the Itamar killings was an Asian worker angered over not receiving wages after working for the head of the deceased family.
The military has been patroling the Awarta village north of Nablus to enforce a strict curfew, and are telling locals to stay in their homes.
They have been searching house-to-house and even shops hoping to find clues.
Locals have reported that military has ordered all Palestinians in the village to head to the local school to give fingerprints to see if there is a match.
Concerns rise as the curfew has caused a food shortage and has burdened the village's patients.
Security has been tightened at checkpoints around Nablus, and military is checking for identification and searching vehicles.
Locals have reported that soldiers have set up random checkpoints near the Shafi Shimron settlement.
Angered Jewish settlers have been stoning cars particularly on the roads linking Qalqalya and Ramallah with Nablus.
One Palestinian man narrowly escaped after settlers opened fire at his vehicle while he was passing near the Etzion settlement.
Settlers have increased attacks and were reported to have been breaking car and house windows in the Buwaira district in southern Al-Khalil in response to incitement campaigns targeting Palestinians in the Israeli media.
End item/ 149