washington u.s. house representatives wednesday back new sanction lebanon iran-backed hezbollah militia part effort take tough line tehran without immediately move undermine international nuclear agreement three hezbollah-related measure pass voice vote without opposition house vote thursday another bill impose additional sanction iran relate ballistic missiles program president donald trump say oct. 13 would certify iran comply international agreement nuclear program threaten might ultimately terminate accord trump action open 60-day window congress act reimpose sanction iran nuclear program lift agreement move house senate aid say house lawmakers focus clamp iran ways hezbollah missile-related sanction first hezbollah-related measure pass wednesday would impose new sanction entities find support group provide weapons hezbollah second impose sanction iran hezbollah use civilians human shield third resolution urge european union designate hezbollah terrorist organization unite state name hezbollah foreign terrorist organization 1997. early month washington offer multimillion-dollar reward two officials trump administration develop strategy counter iran grow regional influence critical measure impose new sanction crack hezbollah finance hold accountable act death destruction say representative ed royce chairman house foreign affairs committee however win international support intensify campaign hezbollah could prove difficult powerful organization part lebanon fragile coalition government command enormous support social service provide u.s. house pass sanction iran-backed hezbollah