washington u.s. house representatives could vote soon next week legislation toughen sanction north korea target ship industry company business reclusive state congressional aid say thursday legislation approve house foreign affairs committee last month intend cut supply cash help fund north korea nuclear program increase pressure stop human right abuse use slave labor bill sponsor foreign affairs chairman ed royce say also call president donald trump administration decide whether north korea state sponsor terrorism amid international concern escalation north korea nuclear program top trump administration officials hold brief issue wednesday entire u.s. congress bus 100 senators white house meet members 435-person house capitol complex leave house brief royce say expect legislation move quickly part hop would strong international effort use every method possible pressure pyongyang curb nuclear ambition particular focus financial institutions well might call slave labor case north koreans send work crew work instead pay money come back north korean regime spend nuclear program royce tell reporters trump administration say want push north korea dismantle nuclear missile program tough international sanction diplomatic pressure remain open negotiations bring officials also say wednesday want return country u.s. list terrorism sponsor spokesman royce decline comment might vote refer question house leadership whose aid immediately respond request confirm time trump secretary state rex tillerson due meet u.n. security council friday press tough international sanction north korea u.s. house may vote within days tight north korea sanction