Peruvian authorities say wastewater laced with heavy metals from a major zinc mine has spilled into a tributary of the Amazon, contaminating at least six miles of the waterway.

Pasco regional mining environmental engineer Juan Escalante tells The Associated Press that an unknown quantity of toxic wastewater from the Atacocha mine escaped from a sedimentation well Wednesday into the Huallaga River. The mine is owned by the Brazilian company Votorantim.

An Egyptian security official said Monday some 20 tanks have been withdrawn from the Sinai Peninsula after a month-long deployment in an anti-terrorism military offensive.

The tank deployment earlier this month brought complaints from Israel as the 1979 peace treaty between the two countries restricts heavy weapons in the peninsula, which borders the Jewish state.

Britain's Prince Andrew has rappelled 785 feet (239 meters) down the side of Europe's tallest building to raise money for charity.

The 52-year-old's stunt began on London skyscraper The Shard's 87th floor and finished on the 20th, and took him 30 minutes.

Organizers of the National Buffalo Wing Festival say competitive eater Joey Chestnut has devoured a record 191 chicken wings in 12 minutes.

Chestnut set the record Sunday during a wing-eating contest at the annual festival in Buffalo. He beat the old record of 183 wings, set last year by Sonya Thomas, the Black Widow.

Rafael Nadal has a partially torn patella tendon in his left knee and will be sidelined for at least the next two months, including Spain's upcoming Davis Cup semifinal against the United States.

"I have to recover and I'll be back once the pain is gone," Nadal said in a website posting linked to his Twitter feed.

Equaling the record for the latest finish at the U.S. Open, Philipp Kohlscreiber of Germany eliminated John Isner of the United States 6-4, 3-6, 4-6, 6-3, 6-4 at 2:26 a.m. local time Monday to reach the fourth round.

The official completion time was the same as a second-round match in 1993, when Mats Wilander beat Mikael Pernfors. The latest finishing match at any Grand Slam was the 4:34 a.m. end to Lleyton Hewitt's third-round encounter against Marcos Baghdatis at the 2008 Australian Open.

Maria Sharapova is back in the U.S. Open quarterfinals for the first time since winning the title in 2006.

Shrieking loudly during points, screaming and pumping her fist after winning them, Sharapova grabbed control after a 75-minute rain delay to beat 19th-seeded Nadia Petrova 6-1, 4-6, 6-4 on Sunday night.

Twin bombs exploded near a tightly guarded government compound in the heart of Damascus on Sunday, state media said, as an army assault on a rural area of the central province of Hama killed at least 21 people, according to activists.

Four people were wounded in the twin bombings which struck in the Abu Remmaneh district where several security service buildings and the office of Vice President Farouq al-Sharaa are located, state television said.

At least 19 people have been killed in Iran's south after the bus they were travelling on struck a rock and flipped over, the state news agency said Sunday.

IRNA said the accident took place some 50 kilometers (30 miles) west of the southern Iranian city of Shiraz.

A fugitive Lebanese-American businessman fighting fiscal corruption charges in Dubai has been returned to the United Arab Emirates after fleeing to Yemen, a spokesman said Saturday.

The return of Zack Shahin to UAE custody ends his bid to get American diplomatic assistance to return to the U.S. via Yemen and presumably escape a legal battle in Dubai dating back to 2008.