PRETORIA, South Africa _ Zimbabwean opposition leader Morgan Tsvangirai said Saturday that he will return to his homeland despite threats to his life to take part in a runoff against President Robert Mugabe.

A leader of a Darfur rebel group says hundreds of his fighters are on the outskirts of Sudan's capital, clashing with security forces. An Associated Press reporter in Khartoum said security forces ordered residents to clear the streets Saturday.

Zimbabwe's top opposition leader said Saturday he will take part in a presidential runoff against the country's longtime leader Robert Mugabe and will soon return to his homeland.

Zimbabwe's top opposition leader says he will contest a presidential runoff and return soon to his homeland. Morgan Tsvangirai said Saturday his supporters would feel betrayed if he did not face Zimbabwean President Robert Mugabe in the runoff.

The Food and Drug Administration is concerned that some medical facilities still have heparin in stock despite a recall by the California Department of Health and the FDA's own recall monitoring, according to a published report Friday.

Shiite Hezbollah gunmen seized control of key parts of Beirut from Sunnis loyal to the U.S.-backed government Friday, a dramatic show-of-force certain to strengthen the Iranian-allied group's hand as it fights for dominance in Lebanon's political deadlock.

Insurgents attacked a Somali military base near the presidential palace in Mogadishu on Friday, and an ensuing gunbattle left at least six people dead and 13 wounded, witnesses said.

Zimbabwe's opposition declined to meet with visiting South African President Thabo Mbeki on Friday and said that he should be replaced as mediator in the country's political crisis.

Police fortified their headquarters Friday in fear of another attack after Islamist fighters raided the station in the heart of the government's Mogadishu stronghold.

The editor of an independent Zimbabwean newspaper has been arrested and the country's largest farm union said Thursday that 40,000 farm workers have been displaced in postelection violence.

Britain's communications regulator on Thursday imposed a record fine of $11.1 million against British broadcaster ITV PLC for repeated abuses of phone-in promotions and competitions on some programs.

Norske Skog, one of the world's largest newsprint makers, said Thursday it lost more in the first quarter than a year ago as it struggles with high costs, low prices and the impact of currency exchange rates.

The retirement assets of Americans grew 7 percent to $17.6 trillion last year, with the strongest growth coming from worker contributions to 401(k) accounts and other company-sponsored plans and to Individual Retirement Accounts.

Agents selling private health insurance plans to the elderly and disabled would be barred from cold-calling, door-to-door solicitations and pitching their products outside hospital waiting rooms or pharmacies, under a federal rule proposed Thursday.

Shares of Weingarten Realty Investors fell Thursday after two analysts downgraded the stock to "Sell," forecasting weakness in the real estate investment trust's portfolio going forward.

New York Mayor Michael Bloomberg forecast Thursday that Belfast would become a leading hub for global investment within a decade. But that can only happen, he said, if the city tears down dozens of Berlin Wall-style barriers that still divide Irish Catholic and British Protestant.

Power producer Edison International said Thursday its first-quarter profit fell even as revenue grew because of a tax benefit last year. Net income for the three months ended March 31 fell to $299 million, or 91 cents per share, compared with $333 million, or $1 per share, a year earlier. Last year'...

House members are considering amendments to a $7 billion state budget that would restore money to college research and tourism programs. Rep. Dan Cooper, chairman of the House Ways and Means Committee, said Wednesday that changes were made to the Senate's version of the bill.

Nigeria on Wednesday announced it was suspending import duties and other taxes on rice while launching a raft of other measures to head off a food crisis in Africa's most populous nation.