The U.N.'s newly appointed human rights investigator to Iran called Wednesday on Tehran to allow him to visit the country to examine alleged rights violations there.

"I issued a written communication to the Iranian authorities to introduce myself and express my interest in visiting the country," Ahmed Shaheed, the U.N.'s special rapporteur on the situation in Iran, said in a statement.

Egypt's ex-president Hosni Mubarak was wheeled into court on a stretcher on Wednesday and denied murder and graft charges, as sporadic clashes erupted outside between his supporters and his foes.

The former strongman, looking pale and dressed in white, pleaded not guilty from a metal-barred cage to the premeditated murder of protesters who took to the streets to topple his regime in an uprising that erupted on January 25.

Successive bombings targeting an alcohol shop on Baghdad's western outskirts killed three policemen at the beginning of the holy Muslim fasting month of Ramadan, a security official said on Wednesday.

The blasts, which occurred late on Tuesday in the suburb of Rasala, also left 14 other people wounded, including three policemen, the interior ministry official said, speaking on condition of anonymity.

A rocket fired from the Gaza Strip landed in southern Israel on Wednesday, causing no damage or injuries, an Israeli police source told Agence France Presse.

The rocket, which landed in the southern Ashkelon region, comes amid increased fire from the Gaza Strip into Israel.

An Israeli ex-minister known for his close ties to Hosni Mubarak said on Wednesday he had offered the former president medical treatment in Israel during a meeting before the Egyptian uprising.

Speaking to Israeli military radio, Binyamin Ben Eliezer said he made the offer to Mubarak during a meeting attended by Israeli Prime Minister Benjamin Netanyahu in the Red Sea resort of Sharm el-Sheikh.

Iraq will open talks with Washington over a military training mission to last beyond a 2011 pullout deadline, Baghdad's Foreign Minister said on Wednesday, after months of U.S. appeals for a decision.

The move is a key first step to reaching an agreement on the future of the U.S. troop presence here, with Admiral Mike Mullen, the top American military officer, warning a day earlier that time was running out to strike a deal.

The U.N. Security Council struggled Tuesday through negotiations on how to respond to the Syria crisis that Russia's envoy warned was veering toward civil war.

Divisions remained among the 15 nations on the wording of any condemnation of President Bashar Assad's crackdown on protests and whether it should be a formal resolution or a less weighty statement.

Months after an uprising ended his 30-year-rule, Egypt's ex-president Hosni Mubarak faced trial Wednesday on murder charges, in a historic moment for the Arab region whose leaders are rarely held to account.

Mubarak, looking pale and dressed in white, appeared on a stretcher inside a cage at the courtroom set up in the Cairo Police Academy, as his two sons stood by his side in the dock.

Syrian dissidents on Tuesday urged U.S. President Barack Obama to call on Syrian leader Bashar al-Assad to quit power and to press for U.N. sanctions over his regime's deadly crackdown on protests.

The demands -- presented in a first meeting between U.S. Secretary Clinton and members of Syria's disparate opposition -- added to U.S. domestic pressure on the Obama administration to take a tougher line against Assad's regime.

The U.N. Security Council began a second day of talks on Syria Tuesday after President Bashar al-Assad's tanks shelled the protest hub of Hama on the opening day of the Muslim holy month of Ramadan.

At least 24 civilians were reported killed across the country on Monday, among them 10 during protests after special evening prayers, Syrian Observatory for Human Rights chief Rami Abdul Rahman said.