In the unrated version the father has his neck stabbed open by a pen, blood is shown more graphicly than the rated version.
Also there are brief scenes which show children having their throats slit.
A man cuts himself while trying to prepare food for dinner. His wife, while trying to help, gets blood on her hands and blood is seen dripping on the floor. This is not shown very graphicly.
While trying to get to his son who is in danger, a man slams his hand against glass, you can see blood smeared on the glass and his hand is also bloody.