German Chancellor Angela Merkel has sought to calm nerves over a possible Greek default, saying the eurozone bloc must stick together. The collapse of Greece and its exit from the euro would have a domino effect, she told German radio. Her comments came after reports that Germany was preparing for Greece to potentially leave the euro. Fears of a Greek default caused sharp falls in shares on Monday, with markets remaining unsettled on Tuesday.

There is a risk of a radioactive leak after a blast at the southern French nuclear plant of Marcoule, media reports say. One person was killed and three were injured in the explosion, following a fire in a storage site for radioactive waste, Le Figaro newspaper said.

Washington (CNN) -- President Barack Obama will take to the Rose Garden on Monday to make a pitch for his jobs creation plan and announce he is sending it to Congress later that evening, the White House said. Obama will be joined by teachers, veterans, small-business owners and others who would benefit from the American Jobs Act's passage, the White House said Sunday.

David Cameron has raised the Alexander Litvinenko case at the start of his bridge-building visit to Russia. Relations between the UK and Russia have been strained since the Russian dissident was murdered in London in 2006, and Russia then refused to extradite the prime suspect.

The head of Libya's interim government, Mustafa Abdul Jalil, has flown to Tripoli for the first time since anti-Gaddafi forces captured the capital. Mr Abdul Jalil was greeted by hundreds of cheering, flag-waving supporters. Until now he had remained in the eastern city of Benghazi. His presence in the capital is aimed at sending a message about his authority.

David Cameron has been urged by four former foreign secretaries to challenge the Russian government on a number of issues during his visit to Moscow. They want President Dmitry Medvedev to be confronted over a perceived failure to protect business against corruption.

The Greek prime minister has vowed to press ahead with deep spending cuts, in his annual speech on the country's debt-ridden economy. "We will push through all the major changes our country has needed for years," George Papandreou said in Greece's second city, Thessaloniki.

(CNN) -- Dozens of 911 calls released Wednesday by the Carson City, Nevada, Sheriff's Office capture the horror of a mass shooting at an IHOP restaurant. In one call, a woman sobs as she tries to give the location of the shooter who fatally shot four others before he killed himself in the parking lot.

Rivals for the Republican presidential nomination in 2012 have faced off in a debate at the Reagan Presidential Library in California. Texas Governor Rick Perry, new to the debate cast, sparred with ex-Massachusetts Governor Mitt Romney over their records on job-creation.

Russia and the world of ice hockey are mourning the deaths of 36 players and officials from the major league team Lokomotiv Yaroslavl in a plane crash. World ice hockey chief Rene Fasel said the crash in Yaroslavl was "the darkest day in the history of our sport".

A bomb outside the Indian High Court in the capital Delhi has killed nine people and injured 47, Home Minister P Chidambaram has said. Speaking in parliament, he said the government condemned "this terrorist act". He said Delhi was a "target of terrorist groups".

Col Muammar Gaddafi's security chief is among several former Libyan officials who have arrived in the capital of Niger, Niamey, officials there say. They say the man, Mansour Daw, entered the country on Sunday and travelled via the desert city of Agadez.

A gunman wielding an AK-47 assault rifle has killed four people at a pancake restaurant in the Nevada state capital Carson City, officials say. Six others were wounded in the attack at the International House of Pancakes chain at 09:00 (16:00 GMT). Three of the four people killed were National Guardsmen in uniform, with several other Guards injured. The suspect, named by police as Eduardo Sencion, 32, then shot himself and died later at a hospital in Reno.

Tripoli, Libya (CNN) -- Two Libyan convoys have passed through Niger this week, officials there said Tuesday -- fueling renewed speculation about the whereabouts of ousted Libyan leader Moammar Gadhafi.

The Nato-led mission in Afghanistan is considering suspending the transfer of detainees to several Afghan jails, following allegations of widespread torture, the BBC has learned. The accusations came in an as-yet unpublished UN report, which describes how prisoners were beaten and in some cases given electric shocks.

Dozens of wildfires raging in rain-starved Texas are now known to have engulfed more than 1,000 homes, say state officials. The biggest of the blazes - 16 miles (26km) wide - in rural Bastrop County remained completely uncontained early on Tuesday.

A former minister in India's southern state of Karnataka has been arrested in connection with a mining scandal. G Janardhana Reddy, who is also a mining businessman, had been named in an anti-corruption report that alleged the scam cost the exchequer more than $3bn (£1.8bn) between 2006 and 2010. Federal investigators also held BV Srinivasa Reddy, the head of a mining company owned by the former minister, in connection with the alleged scam.

Jerusalem (CNN) -- Israeli Prime Minister Benjamin Netanyahu on Sunday refused to give ground in an increasingly harsh diplomatic confrontation with Turkey, once his country's strongest ally in the region. The two countries are at odds over last year's Israeli raid on a ship trying to break its blockade of Gaza. Netanyahu said Sunday that his country did not need to say it was sorry for the incident, in which nine people aboard the Mavi Marmara were killed and several Israeli troops were injured.

Tripoli, Libya (CNN) -- Fighters pushed Sunday to the outskirts of one of Moammar Gadhafi's last bastions of support, setting the stage for possible clashes ahead of this week's deadline for loyalists of the ousted leader to surrender. Libya's new leaders gave Gadhafi loyalists in Sirte, Bani Walid and a handful of towns until Saturday to surrender or face military force.

German Chancellor Angela Merkel's party has suffered a loss in elections in her home state, exit polls suggest. The Christian Democrats (CDU) won 24% of the vote in the north-eastern state of Mecklenburg-Western Pomerania, down from 28.8% in 2006, the TV poll found.

Iran's first nuclear power station has been connected to the country's electricity grid, state news reports. Bushehr was supplying 60 megawatts of its 1,000 megawatt capacity to the national grid, officials said. The reactor's generating unit began operating at a low level in May, prompting Israel and other nations to express fears the reactor could help Iran develop nuclear weapons.