Threats

Responding to local media reports of a group threatening to "unleash a second wave" on the already damaged city police commissioner Mostyn Mangau said investigations were already underway and that the threat is being treated as a matter of national security.

"Police will not tolerate any armed groups or criminals who are taking the opportunity to plan their crimes to threaten the sovereignty of this nation."

Late last month political unrest descended into three days of looting and burning on the streets of the capital causing over $SBD500 million worth of damage.

Michael Ron David Kadar, 18, who has joint US-Israeli citizenship, allegedly used the internet to make hundreds of hoax calls in the US, UK, Canada, New Zealand and Australia.

Prosecutors say he often used software to disguise his voice as a woman's.

He is also accused of trying to extort money from a US senator.

Israeli prosecutors say Mr Kadar made more than 2,000 threatening calls to schools, airports, police stations and hospitals over a two-year period.

A look at Twitter also reveals a catalog of racist and sexist abuse against Miller, whose legal action thwarted the UK government's plans to trigger Article 50 of the Lisbon Treaty -- starting the formal process of Britain leaving the European Union -- without a vote in Parliament.