The first terrorist attack since 2005 targeted Jakarta's Ritz Carlton and JW Marriott Hotels.
Splinter factions of Jemaah Islamiyah 'might now seek to re-energize the movement through violent attacks,' according to a report issued only 24 hours before Friday's bombings.
The quick response underlines the rising profile of the social media site as it becomes a breaking news source.
A reporter remembers when the last round of terror attacks began in Jakarta. Is another round coming?
A Christian Science perspective.
The terrorist group has reportedly vowed to attack Chinese in North Africa to avenge the deaths of Muslim Uighurs in China's Xinjiang Province.
Early results show President Yudhoyono is heading for a decisive victory. He must manage a slowing economy and a fractured Parliament that will challenge reform.
Many Israelis see the president's decision to bypass Jerusalem as part of a broader shift in US priorities in the region.
Support for Islamist groups appears to be waning after a surge in 2004.