NEW : Prime minister resigns after parliament rejects austerity plan . Opposition : Supporters of the plan say the plan could cause political turmoil . Poor : Opponents say the plan placed too much on the needs of the poor . Portugal is dealing with fiscal problems that could require a reform .
NEW : Prime minister resigns after parliament rejects austerity plan . NEW : Supporters of the plan say the defeat could create political turmoil . NEW : Opponents say the plan placed too much on the backs of the poor . Portugal is struggling with fiscal problems that could require a bailout .