The Israel Defense Forces confirmed attacking gunmen in the area and hitting several of them.
In light of recent security assessments, Defense Minister Ehud Barak has instructed the IDF Tuesday night to impose a full closure on the West Bank ahead of the Remembrance Day for the Fallen of Israel's Wars.
The closure will continue throughout the Independence Day celebrations on Wednesday and will be lifted Thursday night barring any unforeseen security developments.
A similar closure imposed ahead Holocaust Remembrance Day was lifted on Friday. During the closure the passage of Palestinians was permitted only in humanitarian cases.
The security establishment has received a number of specific warnings and dozens of general ones regarding possible attempts by terror organizations, particularly in northern Samaria, to carry out suicide bombings and kidnappings. The warnings also relate to the possible terror attacks emanating from Gaza.
Israel's military intelligence chief, Major-General Amos Yadlin recently warned the cabinet that Palestinian terror groups are looking to carry out "quality" attacks on Independence Day, which may include an attempt at kidnapping a soldier.
Hanan Greenberg contributed to this report