The head of Tunisia's ruling Islamist Ennahda told Agence France Presse on Friday his party's first congress would consider a government reshuffle and enlarging the government coalition.

"We are evaluating the performance of the government that has been in place for the past six months for information that could lead to a change of ministers or portfolios, even enlarging the coalition to include other parties," Rached Ghannouchi said on day two of the Ennahda party conference.

President Moncef Marzouki stressed Tunisia does not face the threat of Islamic extremism and is run by a partnership which includes center-leftist parties, in an interview with Agence France Presse.

Marzouki, who on July 17-19 visits France, where he previously lived in exile, said his mission was aimed at erasing tensions that arose during the 2011 revolution that swept away president Zine El Abidine Ben Ali's regime.

Palestinian leader Mahmoud Abbas visited Saudi Arabia and met King Abdullah on Friday to seek urgent aid for his administration as the Muslim holy month of Ramadan nears.

The leaders, who met in the Red Sea city of Jeddah, discussed "the financial crisis of the Palestinian Authority (PA) which will no longer be able to pay its employees as Ramadan approaches," the Palestinians' top diplomat in Riyadh said.

Iran's armed forces chief accused Turkey and Jordan of allowing rebel fighters into Syria and urged them to seal off their borders, ISNA news agency reported on Friday.

"It is the duty of Syria's Muslim neighbors to refrain from backing the terrorists," armed forces chief of staff General Hassan Firouzabadi was quoted as saying.

Syrian troops opened fire on protesters on Friday in Damascus and the northern city of Aleppo, the country's commercial hub, as at least 90 deaths were reported across the country.

Regime forces shot dead 14 people in Homs, 24 in Idlib, three in Daraa, four in Damascus, 12 in Aleppo, seven in the Yarmouk Palestinian refugee camp in Damascus, two in Hama, two in the countryside around Damascus, one in Deir Ezzor and one in Latakia, the Local Coordination Committees, the main activist group spurring protests on the ground, said.

Bedouin men kidnapped two U.S. tourists and their guide in Egypt's lawless Sinai on Friday, police said, adding that they were demanding the release of a jailed tribesman in exchange for the hostages.

The Bedouin captured the American man and woman in the middle of the peninsula, where they were in a car with their Egyptian guide, almost a month after tribesmen briefly kidnapped a tourist from Singapore.

An Israeli teenager who killed a Palestinian from east Jerusalem in a racially-motivated attack last year has been sentenced to eight years in jail.

In February 2011, 24-year-old Hossam al-Ruweidi was killed during an attack in central Jerusalem by four Jewish youths.

Two people were killed and 16 others wounded in five separate attacks in Iraq on Friday, security and medical officials said.

In Baghdad, a police major's mother was killed and his father was wounded when a bomb detonated inside their house in the western neighborhood of Ghazaliyah.

The U.N. envoy to Yemen, Jamal Benomar, said on Friday that southern separatists and northern Shiite rebels have been invited to participate in a national dialogue set for November.

"Contacts have been made with all the parties, including the Southern Movement and the Houthis (Zaidis), to join the national dialogue and there is now agreement to begin the preparatory phase," Benomar said at the end of a two-week visit.

Around 1,500 Jordanians, mostly Islamists, marched on Friday to reject a controversial electoral law, a day after the Muslim Brotherhood decided to boycott early polls expected later this year.

"We demand a democratic electoral law. We want to change the constitution and fight corruption," read a banner carried by the protesters in central Amman.