(VOVworld) - The US Senate voted unanimously to support a non-binding measure to slap new economic sanctions on Iran, should it violate the terms of any nuclear deal it reaches with world powers.

Senate Republican Mark Kirk

In a symbolic measure aimed at building pressure on Tehran amid crunch negotiations over its atomic program, lawmakers voted 100-0 on an amendment introduced by Senate Republican Mark Kirk as part of an ongoing budget debate. Obama's administration is under severe pressure from the US Congress with more senators demanding to have a voice in the deal.