Prime Minister Ali Mohammed Mujawar and three other senior Yemeni officials wounded in shelling of the presidential compound were transferred to Saudi Arabia for treatment on Saturday, a medic said.

The condition of President Ali Abdullah Saleh, who was hospitalized at Sanaa's military hospital after also being wounded in Friday's attack, was "stable" and "of no cause for concern," the medical official told Agence France Presse.

Germany on Saturday ordered the closure of its embassy in Yemen and the rapid repatriation of its staff amid widespread unrest, the foreign ministry said in a statement.

"Even if the fighting in the capital is not directed against foreigners, the dangerous nature of the situation has led the foreign ministry to take this decision," the statement said.

Thousands of youth activists have rallied for the removal of Kuwait's prime minister, pushing the oil-rich Gulf state closer toward political turmoil.

"The people want to topple the prime minister," chanted more than 3,000 protesters who rallied late Friday night for the third straight week, braving temperatures close to 40 degrees Celsius in the desert state.

Clashes in Yemen's flashpoint city of Taez on Friday killed four soldiers and two protesters, a security official told Agence France Presse.

Two protesters were killed and 30 others were wounded by live rounds, while four soldiers were killed and 20 were wounded, said the official who added that some demonstrators were armed.

U.N. chief Ban Ki-moon on Friday expressed alarm at the heightened Syrian government crackdown on protests and said there were now more than 1,000 dead.

"The secretary general is alarmed at the escalation of violence in Syria, which has reportedly left at least 70 killed over the past week alone, bringing the total casualties since mid-March to over 1,000 dead, many more injured and thousands arrested," said a U.N. spokeswoman Vannina Maestracci.

Syrian security forces shot dead at least 25 people while dispersing tens of thousands of demonstrators in the central city of Hama on Friday, activists said, as anti-regime protests spread to Damascus.

Activists in the city told Agence France Presse by telephone that dozens of other people were wounded.

Yemen's embattled President Ali Abdullah Saleh was wounded on Friday when dissidents shelled a mosque in the presidential compound, as Yemen teetered towards civil war and Washington urged a peaceful transition of power.

A leader of the ruling General People's Congress (GPC) party told Agence France Presse that Saleh was "lightly wounded in the back of his head."

Fighting that has killed scores of people in north Sanaa spread to the south on Friday when Yemeni troops shelled the home of Sheikh Hamid al-Ahmar, a leader of the biggest opposition party, witnesses said.

The attack with heavy weapons and missiles targeted the home of Sheikh Hamid, a brother of powerful tribal chief Sheikh Sadiq al-Ahmar, whose men have been locked in fierce clashes with loyalist security forces in the north of the capital, witnesses said.

A bomb placed outside a mosque frequented by provincial officials in the Iraqi city of Tikrit killed 17 people and wounded 50 after the main weekly Muslim prayers on Friday, a security official said.

Two members of the provincial council and a police officer were among the wounded, the official said.

Palestinian president Mahmud Abbas met Pope Benedict XVI on Friday amid heightened tensions across the Middle East and Vatican concern about the treatment of Christian minorities in the region.

This is the fourth time Benedict meets Abbas since becoming pope in 2005.