Immediate Resignation (Personal Reasons)

[Date]

Dear [Manager's Name],

Due to personal circumstances beyond my control, I must resign from my position at [Company Name] effective immediately.

I sincerely apologise for the short notice and any disruption this causes to the team. I am happy to provide a brief handover note or answer any questions to assist in the transition.

Thank you for understanding.

Regards,
[Your Name]