I applied online. I interviewed at International Committee of the Red Cross (Kampala) in Feb 2016
Interview
First, they give you a series of imagined humanitarian situations, and you have to find solutions. The test is written.
Then, there is a series of language tests, oral, through skype
Interview questions [1]
Question 1
Find a solution of a situation where an army officer doesn't let a cleared ICRC humanitarian convoy to pass through a war zone