The remains of the late Palestinian leader Yasser Arafat were reburied on Tuesday after samples were taken to be tested for signs he was poisoned, Palestinian sources said.

"The operation is finished, the tomb has been resealed and the samples have been given to the French, Swiss and Russian experts," officials from the Palestinian commission investigating Arafat's death told Agence France Presse.

Prime Minister Benjamin Netanyahu's Likud faction shifted further to the right on Monday, with the more moderate members of the ruling party faring poorly in a primary vote ahead of January elections.

The two-day poll, extended from Sunday after technical failures in the computerized system caused significant delays, ended on Monday night with nearly 60 percent of the Likud's 123,000 members casting their vote.

U.N. chief Ban Ki-moon called Monday for renewed efforts to achieve a two-state solution in the Middle East following last week's ceasefire between Israel and Hamas.

"More than ever, we need a negotiated two-state solution ending the occupation and the conflict," he said at the inauguration of a new center for interreligious dialogue in Vienna.

Gunfire from Syria hit the Israeli-occupied Golan Heights overnight close to an Israeli military vehicle monitoring the ceasefire line but causing no injuries, the military said on Monday.

"There was gunfire near an Israeli military vehicle which was driving along the security fence," a military spokeswoman said, adding the incident had occurred late on Sunday.

A U.S. announcement that a conference on a Middle East free of nuclear weapons cannot be held as foreseen is a "serious setback," Iran said Monday, accusing Washington of protecting Israel.

"The U.S. cannot unilaterally decide for the sake of Israel to announce that the conference cannot be held. This is a very serious setback for the non-proliferation regime,"Iran's ambassador to the U.N. atomic agency told Associated France Press.

Iranian warships will return to Sudan on Friday, the armed forces said, one month after a similar port call followed Khartoum's accusation that Israel bombed a military factory.

Sudan's links to Iran have come under scrutiny after Khartoum accused Israel of the October 23 strike against the Yarmouk compound, which led to speculation that Iranian weapons were stored or manufactured at the factory in Khartoum.

Iran must reconsider its support for the Syrian regime if it does not want to alienate Arab public opinion, the deputy chief of the Iranian-backed Palestinian movement Hamas said on Monday.

"Iran's position in the Arab world, it's no longer a good position," Mussa Abu Marzuk, whose movement's politburo had been based in Damascus, said during a briefing to reporters at his new headquarters in the Egyptian capital.

France has allocated 1.2 million euros ($1.5 million) in emergency aid to the newly formed opposition Syrian National Coalition, Foreign Minister Laurent Fabius said on Monday.

"The humanitarian situation in Syria is deteriorating. It is imperative that the international community act," Fabius said in a statement.

France has allocated 1.2 million euros ($1.5 million) in emergency aid to the newly formed opposition Syrian National Coalition, Foreign Minister Laurent Fabius said on Monday.

"The humanitarian situation in Syria is deteriorating. It is imperative that the international community act," Fabius said in a statement.

Israeli forces on Monday shot and killed a man who infiltrated from Gaza, broke into an Israeli home and stabbed a woman, an army spokeswoman said.

"A suspect from the Gaza Strip infiltrated the community of Sde Avraham and stabbed a woman inside her home. She was lightly injured," the spokeswoman told Agence France Presse.