Celebrations erupted in South Sudan on Saturday as the world's newest nation proclaimed formal independence and turned the page on five decades of devastating conflict with the north.

"Our martyrs did not die in vain... We have waited for more than 56 years for this day. It is a day that will be forever engraved on our hearts and minds," President Salva Kiir told tens of thousands of jubilant southerners at the official ceremony in Juba.

She's the last northern white rhinoceros on view anywhere in Europe — but zoo keepers are hoping lonely Nabire will find solace with a southern rhino 11 years her senior.

Another northern white — Nesari — died here in her sleep in May aged 39, further reducing the world's dwindling population of the critically endangered animal.

A 52-year-old Houston woman is suing after what she says was an order from her boss to dye her shoulder-length gray hair.

Sandra Rawline, who was an escrow officer and branch manager at Capital Title of Texas, said she was also instructed to wear "younger fancy suits" and lots of fancy jewelry. When she refused to dye her hair, Rawline says she was told her services were no longer necessary and she was replaced by a younger woman.

Sweden's Gunilla Lindberg returned to the International Olympic Committee executive board Saturday, becoming the second woman on the ruling 15-member body.

Lindberg was elected unopposed Saturday to the single opening on the board, filling a spot vacated by Norway's Gerhard Heiberg after the completion of his four-year mandate.

An Afghan spy agency guard opened fire and shot dead two NATO troops accompanying a reconstruction convoy traveling in a northern province on Saturday, the Afghan police said.

The shooting took place in the Darah district of Panjshir province, about 99 kilometers north of the capital, Kabul, according to provincial police chief Gen. Mohammad Qasim Jangalbagh.

Gunshots rattled Pakistan's largest city Saturday as authorities scrambled to bring an end to political and ethnic violence that has claimed at least 93 lives in five days.

The fighting in Karachi, a southern port city of 18 million people, has added to the instability in this nuclear-armed nation and U.S. ally already bedeviled by Islamist militancy.

Mark Webber was fastest in a wet first practice for Formula One's British Grand Prix on Friday as the Red Bull driver chases a second successive Silverstone victory.

The 34-year-old Australian posted a quickest lap of 1 minute, 46.603 seconds around the circuit, two-thirds of a second faster than Michael Schumacher, while Rubens Barrichello was third.

Three elephants were electrocuted at a wildlife sanctuary in northern India, apparently after they uprooted a utility pole and were caught in its wires, a forest official said Friday.

The charred bodies of the elephants entangled in the wires were found Friday at the Dudhwa National Park in Uttar Pradesh state, Vijay Pandey said.

Pfizer says it may sell its animal health and nutrition business in the next two years so it can focus on expanding its low-cost pharmaceuticals unit.

Pfizer says it will also consider transactions including spinoffs and may pursue different strategies for each business. It said any transactions could take one to two years to complete.

Mexican archaeologists have found two 1,300-year-old limestone sculptures of captured Mayan warriors that they say could shed light on the alliances and wars among Mayan cities during the civilization's twilight.

The life-size, elaborate sculptures of two warriors sitting cross-legged with hands tied behind their backs were found in May in the archaeological site of Tonina in southern Chiapas state along with two stone ballgame scoreboards.