The attack occurred in Kabardino-Balkaria,a republic in Russia's volatile North Caucasus, where authorities have been confronting an Islamist insurgency.

VOA: standard.2010.07.21

The Pakistani government has encouraged the formation of such groups, known as lashkars,as a way to combat the Taliban in the volatile areas of northwestern Pakistan.

VOA: standard.2009.09.24

Mehsud was killed in August last year when a missile fired by a suspected U.S drone targeted his hideout in Pakistan's volatile South Waziristan tribal region.

VOA: standard.2010.01.09

The Thai Futures Exchange introduced its first gold futures contract early this year, adding a new dimension for investors looking to reduce the risks of volatile commodity prices.

VOA: standard.2010.07.21

Given what she calls a "volatile security situation,"

VOA: standard.2009.08.27