Israeli Prime Minister Benjamin Netanyahu on Sunday condemned acts of racism against the country's Arab population after an outcry over an amusement park which segregated Jewish and Arab children.

And he also pledged to bring to justice Israeli extremists behind the wave of so-called "price tag" hate crimes against Palestinians.

Security forces arrested several supporters of moderate presidential candidate Hassan Rowhani in Iran's June 14 election after pictures of detained opposition leader Mir Hossein Mousavi were displayed at a meeting, websites reported Sunday.

Opposition website Kaleme.com reported seven arrests of participants in a ceremony in the Jamaran mosque in northern Tehran on Saturday, with relatives saying "they were taken to Tehran's Evin prison.”

Al-Qaida's military chief in Yemen warned Americans in an audio message posted online Sunday that the Boston bombings revealed a fragile security as he urged Muslims to defend their religion.

Qassim al-Rimi, the military chief of al-Qaida in the Arabian Peninsula, said making bombs such as the ones used in the twin blasts in Boston in April, is within "everyone's reach.”

Egypt's highest court on Sunday invalidated the Islamist-dominated Senate and a panel that drafted the constitution, throwing the country into fresh political uncertainty, as the presidency said the Senate will maintain its legislative powers until a new parliament is elected.

The Supreme Constitutional Court (SCC) said the law governing the elections of the Shura Council was unconstitutional, as were the rules for the selection of the members of a committee that drafted the constitution.

France is willing help Libya secure its borders from militant Islamist groups fleeing Mali, Defense Minister Jean-Yves Le Drian said Sunday.

Security officials say the vast deserts of southern Libya are becoming the latest safe havens for al-Qaida linked fighters who fled neighboring Mali after France sent troops there in January to prevent a Islamist coup.

French Foreign Minister Laurent Fabius said Sunday that a peace conference on Syria in Geneva could take place in July, later than previously expected.

Amid desperate diplomatic efforts to bring Syria's regime and opposition to the table for talks, Fabius said it was unlikely the conference would take place this month as hoped.

Syrian regime troops repulsed a rebel assault on a village loyal to President Bashar Assad in central Homs province, killing at least 28 of the attackers, a watchdog said on Sunday.

"The number of rebels killed yesterday (Saturday) in an ambush and clashes with regime forces on the outskirts of Kafr Nan rose to 28," the Syrian Observatory for Human Rights said in a statement.

Iranian President Mahmoud Ahmadinejad's helicopter had to make an emergency landing in the northeast on Sunday after an unspecified "accident," the presidency reported, adding that he was unhurt.

"The helicopter carrying Dr. Ahmadinejad and a number of officials on Sunday had an accident, but the pilot managed to land the aircraft safely," the website president.ir reported.

Three Tunisian soldiers hunting al-Qaida-linked jihadists in the rugged border region near Algeria have been wounded in a mine explosion on Mount Chaambi, the defense ministry said.

"The blast happened at 6:15 pm (1715 GMT on Saturday) under a military vehicle, wounding three soldiers," ministry spokesman Colonel Mokhtar Ben Nasr told Agence France Presse.

A car bombing in Damascus on Sunday killed at least nine security forces, a watchdog said, as aid groups urged the evacuation of civilians trapped in the embattled Syrian town of Qusayr.

The Syrian Observatory for Human Rights said the explosion, in the east of the capital, appeared to have been carried out by the extremist al-Nusra Front, which is allied with al-Qaida, although there was no immediate confirmation.