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.

Egyptian officials say archaeologists have unearthed the first basilica erected in the Mediterranean port city of Alexandria.

Antiquities authorities say the basilica is dated to the Roman era and was built on the ruins of a temple from the Ptolemaic reign that ended with the death of Cleopatra.

At the remains of an ancient metropolis in southern Israel, archaeologists are piecing together the history of a people remembered chiefly as the bad guys of the Hebrew Bible.

The city of Gath, where the annual digging season began this week, is helping scholars paint a more nuanced portrait of the Philistines, who appear in the biblical story as the perennial enemies of the Israelites.

Exports from Germany, Europe's biggest economy, bounced back in May, helping the country's trade surplus to widen, official figures showed Friday.

Germany exported goods and services worth €92.1 billion ($132 billion) in May, the Federal Statistical Office said. That was up 4.3 percent from the previous month and 19.9 percent in year-on-year terms.

Video-game publishers seem to believe their audience would rather risk sunburn than have fun in air-conditioned comfort, so you won't find many major new games in stores during the summer. But that doesn't mean there's nothing new out there — and you don't need to search any further than the online services Xbox Live Arcade and the PlayStation Store.

One studio that's made a big impression in the download-only market is Double Fine Productions, led by industry legend Tim Schafer. Its new release is called "Trenched" (Microsoft, for Xbox 360, $15), and it's a witty mash-up of the third-person shooter and tower defense genres.