Yes, hijacker arrested. Situation over.
http://www.cnn.com/2014/02/17/world/europe/ethiopian-airlines-hijacking/
UPDATE at
“Geneva Airport Police confidently stating that no one has been hurt (10:45pm)
Swiss Authorities stating that they have arrested the hi-jacker
There is a press conference scheduled for 9:00am CET (12:00am PST)
Swiss Police confirming that a pilot aboard the aircraft is the individual in custody (10:54pm PST)”