Imam Hussain (A) prevented her from engaging in combat saying, "Go back.

Imam Hussain (A) prevented her from engaging in combat saying, "Go back. May Allah have mercy on you. You are relieved of jihad (holy war)". She returned uttering, "Oh Lord! do not frustrate my hope". Hussain said to her, "Allah will not do so". Shimr attacked the tent of Imam Hussain (A)