Jordan on Thursday called on the U.N. Security Council to declare the exodus of refugees from Syria a threat to international security and to organize a visit to the region.

Jordan fears that with more than 505,000 Syrian refugees now in the country it risks being overwhelmed and drawn into the crisis, diplomats said.

Britain has signed a legal treaty with Jordan giving guarantees that Islamist terror suspect Abu Qatada would face a fair trial if deported, Home Secretary Theresa May said Wednesday.

May made the announcement in parliament a day after the Court of Appeal in London refused her permission to challenge its ruling that the radical preacher cannot be sent back due to rights concerns.

Jordan's parliament on Tuesday passed a vote of confidence in Prime Minister Abdullah Nsur who faces the challenge of dealing with fallout from the war in neighboring Syria.

The vote was passed 83-65 in the lower house.

Jordan police have arrested eight Syrians on suspicion of inciting riots at a refugee camp near the Jordan-Syria border, a Jordanian security official said Sunday.

About 100 Syrian refugees threw stones at police on Friday for preventing some of them from sneaking out of their desert camp. Ten police officers were wounded, including two who remain in critical condition.

Ten policemen were injured in a clash with demonstrators in the Syrian refugee camp of Zaatari in northern Jordan, a security official said on Saturday.

The source, declining to be named, said two of the policemen were in serious condition after the clash on Friday night.

Global hopes that democracy could replace dictatorships in Arab Spring nations risk being crushed by repressive regimes, the United States warned Friday in its annual human rights report.

"The hope of the early days of the Arab Awakening has run up against the harsh realities of incomplete and contested transitions," the State Department said in its assessment of the global situation of human rights in 2012.

More than 3,000 people marched in Amman on Friday, rallied by the Islamist opposition, to demand political reform and an end to corruption, Agence France Presse reported.

The peaceful demonstration, under the slogan: "Stop joking around," began at the Husseini Mosque in center of the capital.

Russia on Friday called the deployment of U.S. troops in Jordan over the Syria crisis an unconstructive step that threatens to expand the conflict as the kingdom's Islamist opposition said Amman's government should review its decision.

U.S. Defense Secretary Chuck Hagel revealed Wednesday that 150 U.S. military specialists had been deployed in Jordan since last year and that he had ordered the army to bolster the mission by bringing the total American presence to more than 200 troops.

Jordan is being dragged into Syria's conflict as more and more U.S. troops head to Amman, analysts say, amid a warning by Syrian President Bashar Assad the kingdom could be engulfed by his country's war.

"The escalation has become public. At the beginning of the crisis Jordan was trying to deal with it calmly, but now things are heading towards confrontation," Labib Kamhawi, a writer and political analyst told Agence France Presse.

Jordan said on Thursday it was against military intervention in neighboring Syria, as more U.S. troops head to Amman and amid a warning by President Bashar Assad that the crisis could engulf the kingdom.

"Our position on the situation in Syria has not changed," Information Minister Mohammad Momani told Agence France Presse. "We are still against any military intervention in Syria. We urge a political solution to end the bloodshed in Syria."