I asked to see if they had a warrant for my arrest and if there were charges against me . NEW : Tawakkol Karman is calling for Yemen 's president to step down . NEW : ` ` We are now launching a ' Jasmine Revolution ' in Yemen , '' she says . NEW : She had initially refused to leave prison until other activists were also freed .
NEW : Tawakkol Karman is calling for Yemen 's president to step down . NEW : ` ` We are now launching a ' Jasmine Revolution ' in Yemen , '' she says . NEW : She had initially refused to leave prison until other activists were also freed .