Australia issues travel warning for Thailand – smartraveller.gov.au, November 23, 2012
…Another demonstration is planned for the Royal Plaza on 24 and possibly 25 November 2012. It may disrupt or restrict movement in the area. The Thai Government has announced the activation of the Internal Security Act (ISA) in three of Bangkok’s fifty districts until 30 November 2012. The districts are Phra Nakhon, Dusit and Pomprab Sattruphai where there is likely to be a larger concentration of security personnel.
You should avoid protests and political rallies, and security deployments associated with such events…