Mr Esseghaier, 30, and Raed Jaser, 35, are charged with conspiracy to carry out an attack and kill people.

BBC: Tunisian held in New York over Canada train bomb plot

If a conspiracy theory at all were wanted, then an attack on the stockmarket rather than on the currency sounds more plausible.

ECONOMIST: South-East Asia��s currencies are not safe yet

Jake Davis, 18, was charged with unauthorised computer access and conspiracy to carry out a distributed denial of service attack on the Serious Organised Crime Agency's website.

BBC: Keyboard

Mr Mooney said there was still a matter to be decided of whether Shivers, who was in court for the hearing, had foreknowledge of the attack and was part of the wider murder conspiracy.

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Two men involved in a gun attack that left the victim paralysed have been sent to prison for conspiracy to murder.

BBC: Watford family feud: Two men jailed over gun attack