The anti-terror chief, Ansyaad Mbai, has told the BBC he believes there are strong indications that Noordin was the mastermind behind the blasts.

BBC: Fugitive linked to Jakarta blasts

Ansyaad Mbai, Indonesia's counterterrorism chief, has said the two men arrested last week were part of a long-established network responsible for terrorist attacks on police and foreign missions in Indonesia.

WSJ: Terror Suspects Slain in Indonesia

Mr Mbai said he believed the aim of the attacks was to embarrass Indonesia's government at a time when the country was enjoying a greater degree of stability than it had in the past.

BBC: Fugitive linked to Jakarta blasts