Indeed jno, I've been reading links similar to the one you posted.
Yes, this young lad had a bike that was minus a front brake, a requirement he was ignorant of. Bar that he was riding through a green light, slowed his speed and was wearing a helmet. He was heard(in one account I read) to give 2 audible warnings prior to the collision. The lady in question decided not to use the pedestrian crossing some 30 yards away and some reports suggested she was using her phone(which wasn't subsequently established in later reports). Sadly, a collision occurred in which their heads struck each other.
The helmet saved him from injury but ironically caused injury to her, resulting in her falling to the floor, which exacerbated her injuries, tragically.
Regardless of the sentence I've a feeling an appeal will be forthcoming.