Is it Possible for Someone to Invalidate the Prayer of Another Person

Is it Possible for Someone to Invalidate the Prayer of Another Person?

Does the prayer of the imam effect the prayer of those behind him? ...

Do I Have to Wash my Long Thick Hair During Ghusl

Do I Have to Wash my Long Thick Hair During Ghusl?

Is it necessary to make water reach the roots of one's hair during ghusl? ...