NEW : The police use tear gas outside of mosques . Sudan faces soaring inflation since its split from South Sudan a year ago . President says these measures will help boost the economy . Protests started at universities in the capital two weeks ago , but have expanded nationwide .
NEW : Riot police use tear gas outside opposition mosques . Sudan faces soaring inflation since its split from South Sudan a year ago . President says austerity measures will help mend the economy . Protests started at universities in the capital two weeks ago , but have expanded nationwide .