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The injuries were cuts and bruises.
From having a look at other sites - it seems factors that can increase sentance are things like - it happened at work, it happened to and infront of the child, it was unprovoked (as witnessess saw him come over, and she just tried to get away) - and the other woman is partially disabled from a stroke - and the attack was sustained (for over 3 minutes - until help arrived), so not just a single punch, but included kicking.
thanks again for any thoughts on this.