A Seoul court will review on Wednesday whether to detain former South Korean President Yoon Suk Yeol, who’s facing charges of abuse of power and obstructing justice.

Special prosecutors accuse Yoon of using presidential guards to block his arrest earlier this year. He was briefly jailed but released after 52 days due to legal technicalities, according to Reuters.

The investigation, launched under new President Lee Jae Myung, is also looking into insurrection charges tied to Yoon’s brief martial law move last December.

Prosecutors say he could flee or interfere with witnesses. Yoon’s lawyers strongly deny the claims, Reuters reported