sentences:  In response to the arrest, Viet Tan launched a worldwide awareness campaign under the name of Free Them Now, that included a petition to request the US, French and Thai government for assistance in demanding an immediate release of the individuals.Coinciding with the International Human Rights Day on December 10, rallies were organized in Paris, Sydney and Washington, D.C..
  
  On November 24, 2007, Vietnamese security police released university student Nguyen Trong Khiem after detaining him for a week without cause.On December 12, 2007, after weeks of protests and appeals by U.S. lawmakers and international pro-democracy movements, Vietnam released American citizen Truong Van Ba shortly after the U.S. ambassador Michael Michalak demanded to see evidence of terrorism or other charges to justify their detention.