new york muslim immigrants advocacy group file fresh lawsuit president donald trump late version travel ban place indefinite restrictions entry citizens eight countries unite state suit file late monday federal court maryland challenge sep. 24 presidential proclamation limit travel iran libya syria yemen somalia chad north korea certain government officials venezuela also bar six individual plaintiffs u.s. citizens lawful permanent residents iranian relatives could block come unite state along group iranian alliances across border claim ban violate immigration law prevent discrimination base nationality complaint say majority people affect ban muslim point trump campaign promise total complete shutdown muslims enter unite state suit say north korea venezuela add trump could cloak late iteration muslim ban religiously neutral garb invoke national security review late ban go fully effect oct. 18 could affect tens thousands potential immigrants visitors trump argue restrictions necessary tighten security prevent terrorist attack department justice spokesman ian prior say agency continue vigorously defend president inherent authority keep country safe trump proclamation follow two early temporary travel ban countries government global review information share security screen protocols first ban issue soon trump take office january target seven countries block court follow hasty implementation chaotic scenes airports second ban sign march target six countries also block low court partially revive supreme court june third ban clear end date come temporary measure expire friday american civil liberties union say seek amend exist lawsuit maryland federal court file previous march ban include late proclamation legal experts say new restrictions likely solid foot part follow detail review federal agencies group challenge trump 's late travel ban court