According to Iranian officials and the nonprofit Hostage Support Network, Somali pirates released an Iranian fisher after more than four years in captivity. The seafarer went to Addis Ababa, Ethiopia, where he will receive much needed medical care before departing to Iran.
Mohammad Sharif Panahandeh, a resident of Baluchista and who is now having health issues, was arrested in 2015 from a fishing ship. According to John Steed, an HSN negotiator, he was released as the Somali pirates were unsure...
https://safety4sea.com/iranian-fisher-released-by-somali-pirates/