Human Rights Watch said Monday it had been able to meet slain Libyan dictator Moamer Gadhafi's son Saadi in a Tripoli prison, where he said his rights were being violated.

"He said lawyers were not present during any of the interrogation sessions, where, he alleged, prosecution officials had intimidated and threatened him and other witnesses," the New York-based rights group reported.

An Islamic trust which administers Jerusalem's flashpoint Al-Aqsa mosque compound accused Israeli police Monday of blocking the installation of cameras there, a key measure agreed to defuse Israeli-Palestinian tensions over the holy site.

The Jordanian-run trust said a team was "working on the installation of cameras belonging to the Islamic Waqf... but the Israeli police interfered directly and stopped the work."

Efforts to douse Israeli-Palestinian tensions over Jerusalem's Al-Aqsa mosque compound ran into trouble Monday when the Islamic trust which administers the holy site accused Israeli police of blocking the agreed installation of cameras.

Israel on Saturday agreed to install surveillance cameras at the highly-sensitive site after an intense diplomatic drive to calm spiraling violence that many fear heralds a new Palestinian intifada.

The Supreme Court in Saudi Arabia has confirmed the death sentence against Shiite cleric Sheikh Nimr al-Nimr, a leader of anti-government protests, one of his brothers said on Sunday.

"After the confirmation of Sheikh Nimr's death sentence by the Court of Appeal and then the Supreme Court, his life is in the hands of King Salman who can endorse the sentence or suspend the execution," said Mohammed al-Nimr.

Israel has arrested more than 1,000 Palestinians and Arab Israelis since the October 1 surge in violence, the Palestinian Prisoners Club said Sunday.

Most of them were young men and women, the Ramallah-based aid group said.

Omanis on Sunday elected an 85-member consultative council whose powers are limited in a country where the longtime ruling sultan holds all major government posts.

Authorities are yet to announce the turnout of the election for the new Majlis al-Shura, whose powers Sultan Qaboos slightly expanded in 2011 after unprecedented social unrest in the Gulf Arab country.

Torrential rains lashed Egypt's Mediterranean city of Alexandria Sunday, killing five people, including two children and the captain of a ship who was trapped in his car by floodwaters, officials said.

A man and two children were electrocuted to death when a cable from a tramway fell into a street flooded with water, the health ministry said in a statement.

Heavy clashes and air strikes in Yemen's third city Taez left at least 36 fighters dead on Sunday, army sources said, as aid workers struggled to make medical deliveries.

The fighting between Saudi-backed pro-government forces and Shiite Huthi rebels and their allies killed at least 21 rebels and 15 loyalists, the sources said.

Saudi Arabia's foreign minister insisted on Sunday that Syrian leader Bashar Assad should have no role in Syria's "future," adding there had been some progress in international talks on resolving the conflict.

Foreign Minister Adel al-Jubeir made the comments after meeting his Egyptian counterpart in Cairo, and a day after Saudi Arabia and the United States called for more international efforts to restore stability in Syria without Assad.

Human Rights Watch on Sunday called for a thorough and impartial investigation into the death of two Tunisian detainees in suspicious circumstances in separate cases.

"Relatives of both men provided photographs showing marks and bruises on their faces and bodies, and said that authorities had failed to inform them promptly about the deaths," the New York-based rights watchdog said.