Indonesia, the world's most populous Muslim country, has suffered a series of terrorist attacks in recent years carried out by, or blamed on, members of Southeast Asian militant group Jemaah Islamiyah:
A wounded woman lies on the ground following a blast at the Ritz-Carlton Hotel in central Jakarta July 17, 2009. [Agencies]
-- July 2009: A pair of bombs explode inside the neighboring Ritz-Carlton and Marriott hotels in Jakarta, but there is no immediate claim of responsibility. At least nine killed and more than 50 wounded.
-- November 8, 2008: Government executes three Islamic militants for the 2002 Bali bombings that killed 202 people.
-- June 2007: Authorities arrest the alleged leader of Jemaah Islamiyah, Afghan-trained militant Abu Dujana, along with seven other suspected terrorists in raids on Java.
-- November 2005: Bomb-making expert Azahari bin Husin is shot dead during a police raid on a terrorist safehouse on Java island. Information from that raid leads to other arrests. Fugitive Noordin Top appears on video soon after, threatening more attacks.
-- October 2005: Triple suicide bombers kill 20 in attacks on restaurants on Bali.
-- September 2004: A suicide bomber detonates a ton of explosives packed into a delivery van outside the Australian Embassy, killing 11 and wounding 200.
-- September-October 2003: Imam Samudra, convicted of masterminding the Bali bombings, and his accomplice Ali Ghufron, a fellow Afghan-trained militant who bragged of his friendship with Osama bin Laden, are sentenced to death.
-- August 2003: Suicide bomber attacks the J.W. Marriott Hotel, killing 11.
-- October 2002: Police arrest Muslim cleric Abu Bakar Bashir, the alleged spiritual leader of Jemaah Islamiyah and a fiery Islamic preacher, but he is later acquitted.
-- October 2002: Triple bombings on the resort island of Bali kill 202, mostly foreign tourists, including 88 Australians. Police say al-Qaida helped fund the attacks, which thrust the country onto the front lines in the US-led war on terror.
-- 1999-2001: Bloody fighting between Muslims and Christians in eastern Indonesia kills 9,000 and draws in al-Qaida combatants from the Middle East and Europe. Many Indonesian fighters go on to become members of Jemaah Islamiyah.