Press TV reports.
Chanting slogans against Al Khalifa family, the protestors took to streets of Sitra and Sanabis on Sunday.
The demonstrators also condemned the regime's heavy-handed tactics in dealing with the peaceful protests.
The tiny Persian Gulf island state which is the home base of the US Fifth Fleet has been the scene of anti-regime protests since February last year.
Scores of people have been killed and hundreds more injured in the crackdown. Saudi Arabia has also deployed troops to help the clampdown on dissent. Still, the protest movement is going on.
The protesters say they will not stop until their demand for the establishment of a democratically elected government is met.
Bahrainis have held fresh rallies in defiance of the regime to call for the release of political prisoners,