Sep 26 - By The Associated Press, Only on msnbc.com
The mountainous regions of southernmost Russia, known as the North Caucasus, have a combined population of almost 7 million and have long been beset by violence, stoked by poverty, corruption, Islamic extremism, ethnic tensions, feuding criminal gangs and the two separatist wars that ravaged Chechnya since 1994. Here's a look at the most troubled republics:

Sep 26 - By Mike Eckel, Associated Press Writer
Melted rubber sandals float in the bus-sized crater outside what's left of the Nazran city police department.

Jul 31 - By Associated Press
Swimming's governing body has announced the five members of the scientific commission that will oversee approvals for swimsuits.

Jul 23 - By Andrew Dampf, AP Sports Writer
No bodysuit ban, no Michael Phelps.

May 24 - By Alan Clendenning, Associated Press Writer
Across the Amazon basin, river dwellers are adding new floors to their stilt houses, trying to stay above rising floodwaters that have killed 48 people and left 405,000 homeless.

Feb 20 - By Bradley Brooks, Associated Press Writer
Rio's mayor has a plan he believes can tame this chaotic city, which is both beloved and loathed for the cacophony of sins that reach their apex during Carnival, which opened Friday.

Nov 26 - By Stephen Wright, AP Business Writer
The severing of air links with Thailand's capital — a vital air hub that handles 3 percent of world air cargo and 100,000 travelers a day — rippled through the region with airlines scrambling to reroute passengers and freight as hopes for a quick resolution to the crisis faded.

Nov 10 - By Ariel David, Associated Press Writer
Travelers faced long lines, delays and cancellations at Italian airports on Tuesday, a day after a wildcat strike by some Alitalia workers forced the carrier to scrap dozens of flights. Some disputes became so heated that police had to intervene.

Aug 2 - By Angus Shaw, Associated Press Writer
Reeling from the highest inflation rate in the world, barred by the government from using U.S. dollars for purchases, Zimbabweans turned to a new money source Wednesday: gasoline coupons.

May 20 - By Kathy Gannon, Associated Press Writer
Thieves, feuding tribesmen and Taliban militants are creating chaos along the main Pakistan-Afghanistan highway, threatening a vital supply line for U.S. and NATO forces.
Jan 17 - By Angus Shaw, Associated Press Writer
Zimbabweans will be soon lining their pockets with 10-million-dollar bills.
Jan 15 - By Sarah Karush, Associated Press Writer
Commuters stranded from Virginia to Massachusetts. Train service shut down at major terminals in New York, Chicago and Boston. A flood of extra cars on congested highways around Washington and San Francisco.

Dec 27 - By Matthew Pennington, Associated Press Writer
Opposition leader Benazir Bhutto's assassination deals a stunning blow to liberal political forces in Pakistan and gathering unrest by her supporters risks tipping the volatile country into chaos.
Oct 22 - By Zarar Khan, Associated Press Writer
Despite its status as Pakistan's hub for commerce, violence has routinely visited Karachi's seething streets: from political and ethnic bloodletting to its emergence as a hub of Islamic militants and scene of repeated terror attacks post-9/11.

Feb 23 - By Alexandra Zavis, AP Writer
Gunmen killed dozens of civilians Thursday and dumped their bodies in a ditch, as the government ordered a tough daytime curfew of Baghdad and three provinces to stem the sectarian violence that has left at least 114 dead since the bombing of a Shiite shrine.