en_tn_lite_do_not_use/est/04/01.md

learned of all that had been done

"found out about those letters"

tore his clothes and put on sackcloth and ashes

These acts are signs of severe sadness. Alternate translation: "tore his clothes and put on sackcloth and ashes to show his grief" (See: rc://en/ta/man/translate/translate-symaction)