Someone also points out that blue lights mean police in the USA. Ambulance lights are red over there. So if blue lights were seen it was not an ambulance.Just had a look at the comments and the top comment was interesting to say the least.
Rumors here in The States is she wounded him at a fight at a restaurant and he sought medical help at an ER. Someone then replied to this comment by saying that this is what they heard too.
If they split it will be extremely messy and we'll have lots of these rumours coming out, because both will try to play the victim.