A small amount of blood was on my clothes, so I prayed the 'Asr prayer and did not remember it until the third rak'ah. Is there anything required of me?

Question:
He says: Honorable Shaykh, may Allah grant you success, I prayed the 'Asr prayer today, and there was blood on my clothes, a small amount of blood. I knew about it before the prayer, but I did not remember it until the third rak'ah. Is there anything required of me?

Answer:
Yes, if there is impurity on your clothes, whether blood or something else, and you remember it during the prayer, then if you are able to get rid of it by removing the garment, the turban, the cloak, or the shirt, and you can remove what is on it, do so and continue your prayer. This is because the Prophet (peace and blessings be upon him) removed his sandals during the prayer and continued his prayer, because Jibril informed him that there was impurity in them.
And if you are unable to remove the garment, exit the prayer. Exit the prayer, wash the impurity or remove the garment, and perform wudu'. Then enter the prayer again.
As for if you forgot it when you prayed and finished, and you forgot it when you finished the prayer, your prayer is valid, if Allah wills. Yes. Ah, ah.