As many as four US journalists who were arrested for unauthorised media coverage during the fifth anniversary of the 2011 protests were released in Bahrain on Tuesday.
The Public Prosecution said it received a complaint on Monday regarding acts of vandalism and rioting in Sitra, Xinhua reported.
"Security authorities detained four US nationals during the incident as a result of their involvement in the criminal acts, and that one of the individuals was concealing his face at the time of his arrest," said the prosecution.
It said the US Embassy had informed about the arrests.
"The individuals were questioned in the presence of lawyers and charged with unlawful obstruction of vehicles and attending unlawful gatherings."
The public prosecution confirmed that all of the individuals were released pending further investigations.
