 Over 100 university students kidnapped in Ethiopia's Oromia region last week are still missing. A ransom has been demanded for their return. The students, mostly from Dabak University in the north of the country, were seized by an unidentified armed group while travelling to the capital, Addis Ababa. So let's head to the capital and speak to the BBC's Kakadenyi Bertel. You've been in touch with students, I think. What did they tell you happened?