Now the other party has evidence that it is a minor injury. If he can't prove that he didn't hit anyone, the situation may be very bad for him.
In this case, it is very difficult to get bail pending trial without the understanding of the victim.
Suggestion:
First, reconcile with the victims and try to gain their understanding.
Two, entrust a lawyer to intervene, communicate with the case handling unit, and strive for a lighter or exempted punishment.
May your brother's affairs be settled as soon as possible.
I hope my answer is helpful to you. If you don't know, you can find me through the link below.
Your friend, China Criminal Defense Network? Lawyer Zhao Li.