washington president donald trump sunday slap new travel restrictions citizens north korea venezuela chad expand eight list countries cover original travel ban deride critics challenge court iran libya syria yemen somalia leave list affect countries new proclamation issue president restrictions citizens sudan lift measure help fulfill campaign promise trump make tighten u.s. immigration procedures align america first foreign policy vision unlike president original ban time limit one open-ended make america safe number one priority admit country safely vet president say tweet shortly proclamation release iraqi citizens subject travel prohibitions face enhance scrutiny vet current ban enact march set expire sunday even new restrictions slat take effect oct. 18 result review trump original travel ban spark international outrage legal challenge addition north korea venezuela broaden restrictions original mostly muslim-majority list administration official brief reporters conference call acknowledge number north koreans travel unite state low right group amnesty international usa condemn measure original ban especially outrageous mean stand yet another version government-sanctioned discrimination say statement senseless cruel ban whole nationalities people often flee violence u.s. government wish keep must normalize american civil liberties union say statement addition north korea venezuela obfuscate real fact administration order still muslim ban white house portray restrictions consequences countries meet new requirements vet immigrants issue visa requirements share july foreign governments 50 days make improvements need white house say number countries make improvements enhance security travel document report passports lose steal others spark restrictions announcement come u.s. supreme court prepare hear oral arguments oct. 10 legality trump previous travel ban include whether discriminate muslims trump threaten destroy north korea attack unite state ally pyongyang early month conduct powerful nuclear bomb test president also direct harsh criticism venezuela hint potential military option deal caracas officials describe addition two countries trump travel restrictions result purely objective review case north korea suspension sweep apply immigrants non-immigrants officials say hard unite state validate identity someone come north korea find person threat north korea quite bluntly cooperate whatsoever one official say restrictions venezuela focus socialist government officials trump administration blame country slide economic disarray include officials bolivarian national intelligence service immediate families trump receive set policy recommendations friday act secretary homeland security elaine duke brief matter administration officials include attorney general jeff sessions secretary state rex tillerson white house aide say rollout sunday decidedly organize trump first stab travel ban unveil little warn spark protest airports worldwide early sunday trump tell reporters ban tough good rather total ban entry unite state propose restrictions differ nation base cooperation american security mandate threat unite state believe country present variables officials say somalis example bar enter unite state immigrants subject great screen visit sept. 15 bomb attack london train trump write twitter new ban far large tough specific stupidly would politically correct expire ban block entry unite state people six countries 90 days lock aspire refugees 120 days give trump administration time conduct worldwide review u.s. vet procedures foreign visitors critics accuse republican president discriminate muslims violation constitutional guarantee religious liberty equal protection law break exist u.s. immigration law stoke religious hatred federal court block ban u.s. supreme court allow take effect june restrictions trump slap travel restrictions n.korea venezuela sweep new ban