After the Bali bomb police liaison officers were sent but Tobias says the first three he met had no experience of disasters.

BBC: Expert Disaster Team

It has also drawn up sketches of three possible suspects in the Bali bomb, though these have not been released to the media.

BBC: Australia unveils anti-terror plans

With dozens of Australians killed and injured in the Bali bomb attack, the country now has direct experience of how such incidents can undermine people's sense of security.

ECONOMIST: APEC, terrorism and trade

There has been considerable speculation in recent weeks about the level of preparedness in the UK for a major terrorist attack on the scale of the Bali bomb.

BBC: Call for anti-terror border force

Malaysian Azahari Husin, alleged to be Jemaah Islamiah's top bomb-making expert and to have helped assemble the Bali bombs, was killed by police in eastern Indonesian in November 2005.

BBC: Indonesia executes Bali bombers