laynaxx, stop reading newspapers for your information and fears about the criminal law! Listen to your solicitor. Yes, it is possible for someone to get 5 years for abh, the limit set back in 1861, but if you think every bout of fisticuffs or every time some man punches another, means jail for the offender, we'd need a Wandsworth prison on every street.
Yes, I know it's your daughter; it would worry any parent. But you haven't even had disclosure of material yet, so there's no point in sitting there thinking she must have been involved in the most massive affray, but nobody's told you yet!.