In your email, you had written that Aunt Miwa was in the hospital. I noticed it after a while and told to my mother about it. Please keep me updated. You can write to me in English.
I noticed later that there is a note about Miwa's hospitalization on email and let my mother know immediately. Please keep me updates. English is fine.
I noticed later about aunt Miwa’ s hospitalization written in your letter and informed my mother about that right away. Please let me know if you know further information. It is ok to tell me in English.
急いでいたので助かりました。