The first thing Norway needs to do is expel the Muslims.
Norway?
Hell, not only Norway should do that — the entire West should.
The longer it waits, the more severe the bloodletting will be in the future. Countries like China and Japan already understand it to the fullest extent.
By now the West should realize that there is NO WAY EVER that it and Islam can co-exist — plenty of daily examples indicate that Islam is in the West only to conquer and convert it. There is not even an attempt by Islam to integrate into Western society.