It ought to be reported though, especially if Hitony can identify any of the perps.
Assault with GBH is no small matter, and all the time they are probation-free and without any need to furnish their victim with costs or do any punitive making-good - they are available and encouraged to repeat...
Make one of your responses, to get into fitness and self-defence training.
I had a friend who was blind, late 80's and his movements laboured - but he could do several moves, wrist-locks and disarming holds that could sort out an assailant.
I got training from a multiple martial-arts/kickboxer...