ARIRANG NEWS BREAK 16:00 Key figures in Choi Soon-sil scandal summoned for questioning

-Key figures in Choi Soon-sil scandal summoned for questioning -President Park considering her next steps in wake of Choi Soon-sil scandal -N. Korea could conduct provocation to deflect from domestic issues: Han Denuclearization remains U.S. goal on N. Korea: White House Arirang's representative news program "Arirang NEWS" provide up-to-the-minute, objective and in-depth coverage of domestic and international news every 2 hours. Visit ‘Arirang News’ Official Pages Facebook(NEWS):   / newsarirang   Homepage: http://www.arirang.com Facebook:   / arirangtv   Twitter:   / arirangworld   Instagram:   / arirangworld