RAMALLAH, West Bank (Reuters) - Israeli troops on Monday shot dead two Palestinians and wounded more than a dozen in an early morning raid to arrest a suspected militant in a refugee camp near Jerusalem, Palestinian medical sources told Reuters.

Witnesses said Israeli armoured jeeps entered the Qalandiya camp at around three o'clock and were met by stone-throwing local residents. The Israeli forces responded with gunfire and left the camp before daybreak.

An Israeli police spokesman said a clash erupted when border police carrying out an arrest raid were confronted by Palestinians who threw firebombs and rocks at them. The incident was being investigated, spokesman Micky Rosenfeld said.

It was not clear if the Israeli forces made any arrests.

Israeli troops often enter Palestinian-controlled territory to detain individuals suspected of militant activity, usually conducting the raids during darkness to minimize confrontation.

Israel and the Palestinians resumed U.S.-brokered peace talks after a three-year breakdown last month, though neither side has expressed much optimism for a major breakthrough.

Violence in the West Bank has worsened since the beginning of 2013. Israeli forces have killed 13 Palestinians there this year, most of them in clashes, compared with three killed in the same period in 2012, according to United Nations figures.

(Reporting By Ali Sawafta and Noah Browning in Ramallah and Ari Rabinovitch in Jerusalem; Editing by John Stonestreet)