Q. I wanted to know if ablution is breached due to passing of gas, then from what step do we have to reperform the ablution, i.e. do we have to perform istinja or can we start by washing the hands up to wrists and continue till the last step i.e. wasing of the feet?
A. In this case, you will simply perform the ablution alone. There is no need to perform Istinja except that you have a need to do so. In doing the Wazu, begin by washing the hands until you have completed washing all the limbs (required in Wazu).
And Allah knows best.
Mufti Waseem Khan