You reckon Israel would want to play nuclear chicken with the EU? what planet are you on? Crippling sanctions and no income for munitions would make ISrael as very easy target in a very short time - nukes or not. There is MAD and then there is madness. Neither EU or Israel would ever get to this stage of conflict.
Islamic State destroys part of Syria's Temple of Bel, monitoring group says (Reuters)
from the article: EU initiative: Recognition of Palestinian state by next year