southern Russia

Preliminary events got underway in Sochi Thursday. Here, Poland's Kamil Stoch soars through the air during the men's ski jumping individual normal hill training event. But much attention is still focused on security.

A warning about explosives in toothpaste tubes, just the latest among security worries at Sochi

"There is no reason to believe Sochi, in Russia, is under more threat than any other place on the planet," said a top Russian official as preliminary events got underway at the 2014 Winter Olympics at Sochi. Islamic militants have threatened to disrupt the Games.

A warning about explosives in toothpaste tubes, just the latest among security worries at Sochi
Lyubov Varicheva teaches English at the Sochi College of Multicultural Education in Russia. She says because of "volunteering" demands on teachers here, her students probably won’t get much in the way of instruction during the Sochi Winter Olympics.

Many in Sochi are excited to show off their city for the Olympics — but not all

Many in Sochi are excited to show off their city for the Olympics — but not all
A suicide bomb blast ripped a trolleybus apart in Volgograd on Monday, in the second deadly attack in the southern city in two days.

The terrorist attacks in Russia have roots that go back centuries

The terrorist attacks in Russia have roots that go back centuries