The 2004 Poso bus bombing was terrorist attack that occurred in Central Sulawesi, Indonesia, on 13 November 2004. It targeted a bus travelling to the majority Christian village of Silancak. The bomb, an improvised explosive device, exploded at 9:15 a.m. (UTC+7), while the minibus was stopped at a market in Poso. Six people were killed and three injured in the blast. Witnesses later reported that three people were involved in the attack. Two suspects were detained, but later released.