NEW : Greek lawmakers pass new austerity measures in an initial round of voting . 15 protesters and At least six police officers are injured in clashes , police say . Backers demand that Germany get its finances in order to get more bailout money . Parliament House leaders worry that European debt threatens the euro .
NEW : Greek lawmakers pass new austerity measures in an initial round of voting . At least six protesters and 15 police officers are injured in clashes , police say . Backers demand that Greece get its finances in order to get more bailout money . European Union leaders worry that Greek debt threatens the euro .