A suicide bomber in a school uniform attacked soldiers during morning exercises at a Pakistani army training camp Thursday, killing 31 troops and wounding 20 others, police and the military said.

The attack in the northwest town of Mardan showed that despite years of army operations against their hideouts along Pakistan's border with Afghanistan, Taliban and al-Qaida-linked fighters retain the ability to strike back. It was one of the worst attacks on security forces in recent months.

Nissan reported a 78 percent jump in quarterly profit and raised its full-year forecasts Wednesday as vehicle sales grew in North America, Europe and Asia, offsetting a weak performance in Japan.

Nissan's October-December net profit totaled 80.07 billion Yen ($976.4 million), up from 44.97 billion Yen a year earlier. Sales for its fiscal third quarter rose 5.3 percent to 2.103 trillion Yen ($25.6 billion).

The trappings of a determined protest movement — chanting, flags and raised fists — fill Tahrir Square, the hard-won enclave of those who seek a new Egypt. But some there fear an enemy within.

The boldest challenge ever to President Hosni Mubarak's three decades of authoritarian rule has so far failed in its singular goal to oust him immediately. And after initial euphoria over their defiance of a state once thought impregnable, protesters are increasingly uneasy that Mubarak or leaders he has chosen may manage to hang on to power.

More than six years after a U.S. Marine corporal was charged with desertion for allegedly faking his own kidnapping in Iraq, his family is once again making rumblings about clearing his name.

The effort, however, wouldn't play out in military court. Instead, the Utah family of Wassef Ali Hassoun contacted a Los Angeles publicist in search of a $1 million book and movie deal.

Rafael Nadal and Olympic skiing champion Lindsey Vonn won this year's individual Laureus Sports Awards on Monday, with Spain's World Cup winners taking the team prize.

The No. 1-ranked Nadal — winner of three Grand Slam tennis titles in 2010 — was named sportsman of the year, beating nominees including Los Angeles Lakers star Kobe Bryant, Filipino boxer Manny Pacquiao and Barcelona footballers Andres Iniesta and Lionel Messi.

Beirut Marathon Association founder May el-Khalil won this year's Laureus “Sport for Good Award” on Monday.

The No. 1-ranked tennis player Rafael Nadal — winner of three Grand Slam tennis titles in 2010 — was named sportsman of the year, beating nominees including Los Angeles Lakers star Kobe Bryant, Filipino boxer Manny Pacquiao and Barcelona footballers Andres Iniesta and Lionel Messi.

Crude oil prices rose back above $100 on Monday on lingering concerns over the impact of political uncertainty in Egypt.

Brent North Sea crude for delivery in March gained 75 cents to $100.58 per barrel in late morning London trade.

The superstar had only a brief cameo in the showcase, but his tightly choreographed moves and acrobatics marked the brief exhilarating moment of a surprisingly stale medley from the normally frenetic headliners, the Black Eyed Peas.

The Super Bowl performance was arguably the biggest stage yet for the quirky quartet, whose fusion of pop, dance and hip-hop have made them global superstars. But in the massive Cowboys Arena, the group appeared to be as stiff as frontman "will.i.am's" plastic hair hat.

Cambodia called for U.N. peacekeepers to help end the fighting along its tense border with Thailand, where artillery fire echoed for a fourth day Monday near an 11th century temple classified as a World Heritage Site.

The crumbling stone temple, several hundred feet (meters) from Thailand's eastern border with Cambodia, has fueled nationalism on both sides of the disputed frontier for decades and conflict over it has sparked sporadic, brief battles in recent years. However, sustained fighting has been rare.

Chilean authorities evacuated passengers and crew from an Iberia airline flight to Madrid, Spain, following a bomb threat Sunday. Police said later they arrested a Chilean woman in the case.

Authorities said a team from Chile's civil aviation agency searched the airliner and found no explosives.