A spokeswoman for the Attorney General's Office said the sentence will be referred to the Court of Appeal, where three judges will decide whether or not the sentence is unduly lenient.
Having carefully reviewed this case, the Attorney General, Dominic Grieve QC MP, has decided to refer the sentence of Lewis Gill to the Court of Appeal for review.
The case will in due course be heard by three Court of Appeal judges who will decide whether they should increase the sentence.
More top news
Doctors should stop telling people to "complete the course" of some antibiotics, a group of experts have warned.
Around 40 events will be staged across the UK today as nurses step up their campaign for the Government to end the cap on public sector pay.
Within the next seven days, we are going to witness some of the most significant change in the British Monarchy for many years.