The Grozny truck bombing occurred on 27 December 2002, when three Chechen suicide bombers ran vehicles into the heavily guarded republic's government headquarters in the regional capital Grozny.

The explosion by the equivalent of a ton of dynamite brought down the roof and floors of the four-story building.

The head of the pro-Russian administration in Chechnya, Akhmad Kadyrov, and his Prime Minister, Mikhail Babich, were not in the building at the time.

[4] Colonel Ilya Shabalkin, spokesman for the joint federal forces in Chechnya, said the bombing was organized by Chechen rebel field commanders Abu al-Walid and Shamil Basayev.

[5] Basayev claimed responsibility for the planning and execution of the attack, saying that he personally detonated the bomb by remote control.