Tunisian authorities extended Tuesday a state of emergency imposed as president Zine El Abidine Ben Ali fled a month ago but ordered an end to a nationwide curfew, the official TAP news agency said.

The interior ministry also warned in a statement against attempts to sow discord between the police and army in the fragile North African country and condemned protests by "extremists," the news agency reported.

Pro-regime supporters armed with batons and stones waded Tuesday into a crowd of anti-government protesters trying to march on Yemen's presidential palace, sparking clashes dispersed by police.

At least three people were injured as the rivals pelted each other with stones, said an Agence France Presse correspondent, in the fourth straight day of protest in central Sanaa.

EU foreign policy chief Catherine Ashton on Tuesday said the international community still sought to achieve a peace deal and a Palestinian state by September, despite the region's political turmoil.

Despite the impasse in Israeli-Palestinian peace talks and the resignation of the Palestinian cabinet as well as Saab Erakat, their chief negotiator, Ashton said the goal was still achievable.

Egypt's military regime warned on Tuesday that a wave of strikes sweeping the country was "disastrous", as it gave a panel of civilian experts 10 days to revise the constitution.

Against a backdrop of persistent nationwide walk-outs and street protests, the junta promised to rapidly restore constitutional rule following the overthrow of Hosni Mubarak's regime.

Two protesters died in clashes with Bahraini police, sparking angry calls from young cyber-activists for regime change and a walkout of parliament by Bahrain's main Shiite opposition bloc on Tuesday.

The events prompted King Hamad to express sorrow for the deaths, announce a ministerial probe and pledge to press ahead with reforms, in an address to the tiny Gulf state facing Iran across the Gulf that is ruled by his Sunni family.

European Union foreign policy chief Catherine Ashton urged Iran on Tuesday to refrain from using force against protesters and to respect the right to demonstrate peacefully.

Ashton "is closely following the events taking place in Iran, notably the apparent restrictions placed on the freedom of movement of certain members of the opposition and the protests taking place on the streets today," her office said in a statement.

A top American Jewish leader said Monday that a secret visit he recently made to Syria could be a sign that President Bashar Assad wants to improve relations with the West.

Malcolm Hoenlein, the executive vice chairman of the Conference of Presidents of Major American Jewish Organizations, also said the international community should proceed with caution as the Arab world begins to embrace democracy.

U.S. Secretary of State Hillary Clinton hailed the "courage" and "aspirations" of anti-government protests in Iran on Monday, and pressed Tehran to follow Egypt's example and "open up" its political system.

"We wish the opposition and the brave people in the streets across cities in Iran the same opportunity that they saw their Egyptian counterparts seize in the last week," Clinton told reporters during a visit to the U.S. Congress.

Egypt's new military regime on Monday called on workers to end a wave of strikes and civil disobedience that has threatened to paralyze the country in the wake of the fall of Hosni Mubarak's government.

In its latest announcement since it took power Friday, the Supreme Council of the Armed forces urged labor leaders to call off their action, but stopped short of issuing a decree banning them, as it had been rumored it would do.

Hundreds of Iranian protesters on Monday attempted to stage scattered demonstrations in Tehran said to be in support of Arab revolts as scores of policemen moved to disperse them, witnesses said.

A witness said crowds of protesters were seen at Tehran's key areas such as Haft-e Tir Square, Karim Khan Avenue, Ferdowsi Square, Hafez street, while another said similar crowds were walking from Imam Hussein Square to Enghelab Square.