A 24-year-old man presents to the emergency department with suicidal ideation and a specific plan to hang himself. He has access to means and expresses intent to act. What is the most appropriate immediate management?AArrange routine outpatient follow-up in 2 weeksBAdvise him to contact his GP if symptoms worsenCAdmit him urgently for psychiatric assessment and ensure constant observation and restriction of meansDPrescribe an SSRI and dischargeERecommend self-help resources onlyCheck my answer