Doesn't necessarily deserve to be called a "hijacking" in my opinion. He had control of the aircraft, at the beginning anyways, for valid reasons. Cry for help, perhaps?
Don't know what other charge they can throw at him but no doubt they'll have something there. I think everyone can agree that there is definitely more to this situation than what has originally came to light.
Without the full details it's hard to completely judge everything. One can only think he never intended to endanger any of his passengers or colleagues because of how the situation came to an abrupt end - could have been talked down though, I guess. The powers that be may come to a different conclusion. I'll be interested so see what is said in the next 72 hours.
It seems like he's definitely an Ethiopian national.