You can be a voice for them with the embassy in Ghana here - please ask that they be released immediately and their children be reunited with them. The more people, the more the embassy will prioritize their case!
Finally, this seals the deal for me...I have been wanting to take Elijah with us to Ethiopia. After reading this, he will be staying safely at home! I pray that somehow, someway, good will come from the trauma this family is being called to endure.