Anti-government protesters take to the streets for the ninth straight day, demanding the release of Bahrain's main opposition leader, Sheikh Ali Salman.<br/> <br />Sheikh Salman was detained after being summoned for interrogation by the Interior Ministry on December 28, setting off a wave of public disapproval.<br/> <br />And now, the public prosecutor has extended his detention for another 15 days.<br/> <br />Sheikh Salman's lawyer says the opposition leader has four charges against him.<br/> <br />(SOUNDBITE) (Arabic) BARRISTER AT CASSATION AND CONSTITUTION COURT OF AL SHAMLAWI LAW FIRM, ABDULLA AL-SHAMLAWI, SAYING:<br/> <br />"They are: inciting a change of government by force, inciting hatred of a segment of society, insulting the Interior Ministry and inciting others to break the law."<br/> <br />As the street protests rage on, Salman's al-Wefaq Islamic Society party -- which he leads -- claims his detention is revenge for his being re-elected as the society's head... and for their boycott of November election