The 2003 Stavropol train bombing was a terrorist attack that occurred on 5 December 2003, in Yessentuki, Stavropol Krai, Russia, when an explosion on a commuter train killed at least 46 people and injured over 170 more. A regional electric train in Stavropol Krai was commuting from Kislovodsk to Mineralnye Vody in Stavropol Krai, when a suicide bomber armed with explosives equivalent to an estimated 7 kilograms (15 pounds) worth of TNT detonated as the train departed from the station in Yessentuki. As of December 2009, there were no arrests or convictions for the Yessentuki attack.