South Sudan's minister of cooperatives and rural development Jimmy Lemi Milla and his bodyguard were shot dead in Juba on Wednesday, the southern army's spokesman said, in what appeared to be a personal dispute.

"There was shooting at the ministries (complex), in which the minister of cooperatives and rural development was killed, as well as his bodyguard," the Sudan People's Liberation Army (SPLA) spokesman Philip Aguer told Agence France Presse.

The trappings of a determined protest movement — chanting, flags and raised fists — fill Tahrir Square, the hard-won enclave of those who seek a new Egypt. But some there fear an enemy within.

The boldest challenge ever to President Hosni Mubarak's three decades of authoritarian rule has so far failed in its singular goal to oust him immediately. And after initial euphoria over their defiance of a state once thought impregnable, protesters are increasingly uneasy that Mubarak or leaders he has chosen may manage to hang on to power.

Al-Qaida-front group The Islamic State of Iraq has called on Egyptian protesters to wage jihad and push for the establishment of a government based on Islamic law, the U.S.-based SITE monitoring service said Tuesday.

The statement, which appears to be the first reaction of any group affiliated with al-Qaida to the ongoing protests in Egypt, was issued on jihadist forums on February 8, according to the U.S. group.

Saudis seeking to emulate fellow Arabs by using the web to push for change have created a group on Facebook urging political, social and economic reforms that by Tuesday had nearly 2,000 members.

"The people want to reform the regime" group calls for a constitutional monarchy, transparency, parliamentary elections, an independent and fair judicial system, anti-corruption measures and respect for human and women's rights.

Iran's main opposition leaders charged on Tuesday that the Islamic republic was being run by "anti-religion ... hooligans," in a statement on the eve of its 32nd anniversary.

The bitter criticism from Mir Hossein Mousavi and Mehdi Karroubi, once seen as pillars of the Islamic establishment, came three days before the anniversary of the February 11, 1979 Islamic revolution which toppled the U.S.-backed shah.

A suspected U.S. spy drone crashed near the south Yemen town of Loder on Tuesday before al-Qaida gunmen made off with the wreckage, a police official and witnesses said.

The drone crashed in Jahayn village near Loder, in Yemen's Abyan province where al-Qaida has a strong presence, and was found by local residents, the official told Agence France Presse.

The Palestinian cabinet decided on Tuesday to hold local elections on July 9, in what will be the first Palestinian vote since 2006, a source close to the government said.

"The Palestinian cabinet has decided that July 9 will be the date for local elections," he told Agence France Presse, saying a formal statement would be issued shortly.

Embattled Egyptian President Hosni Mubarak on Tuesday formed a panel to oversee constitutional amendments, Vice President Omar Suleiman said, as anti-government protests entered their third week.

"President Mubarak today signed a decree for the formation of the constitutional commission which will oversee constitutional amendments, and required legislative amendments," Suleiman said in a statement read out on television.

Southern Sudan was well on track to become the world's newest state Monday after final results of its historic independence referendum showed that 98.83 percent of its people had voted for secession.

The results -- displayed at an announcement ceremony in Khartoum -- revealed that, out of 3,837,406 valid ballots cast, only 44,888 votes, or 1.17 percent, favored the status quo of unity with the north.

Authorities at Cairo airport began screening incoming and outgoing diplomatic pouches on Monday, the MENA agency said, a day after the foreign ministry accused diplomats of trying to bring weapons into Egypt.

"The pouches will be screened by X-ray ... to stop any illegal items from entering" Egypt, which has been rocked by two weeks of deadly nationwide anti-government protests.