By Ju-min Park and Jack Kim

SEOUL (Reuters) -South Korea’s former first lady Kim Keon Hee will spend her first day in jail on Wednesday in a cell much like the one her husband and ex-President Yoon Suk Yeol occupies as prosecutors pursue the once high-flying couple in a widening criminal probe.

Kim was formally booked into the Seoul Nambu Detention Center on the western edge of the capital, a comparatively new correctional facility that opened 11 years ago and one of the few run by a female warden.

She will be treated in the same way as other inmates but will receive minor adjustments in her daily routine given her status as a high-profile figure, a source familiar with the matter told Reuters.

Kim was imprisoned after a court approved a warrant for her arrest late on Tuesday on the gr

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