Fearful that US failure there could unleash the Taliban and other Islamist insurgencies, Russia may help NATO open a supply line through former Soviet territory.
The three Pakistanis and one Saudi named belong to Lashkar-e-Taiba.
Zaki-ur-Rehman Lakhvi, an operations chief for Lashkar-e-Taiba, was reportedly captured Monday in Pakistani Kashmir.
In a move to avoid a second deadly battle in a Palestinian refugee camp, some groups have taken a rare step away from Islamist militancy.
Decades of neglect, outdated technology, and an ineffective conscript system reduced the capabilities of the Russian Army.
Russia's military presence in Georgia has unnerved refugees who fled here from Chechnya in the 1990s.
Spies, the "War on Terror," and personal failings converge in John le Carre's latest thriller.
The war with Georgia has many calling for North and South Ossetia to unite.