Question: Kim Jong-chul's older half-brother was thought to have fallen out of favour after embarrassing the regime in 2001 with a failed attempt to visit where?
Sentence (from "Al-Abbas ibn Ahmad ibn Tulun"): After a failed attempt to take over Ifriqiya, he was imprisoned in Egypt and executed shortly after the succession of his brother, Khumarawayh, in May 884.
Relevant evidence: No