The United Nations mission in Libya on Saturday called for the “immediate” release of a prominent journalist arrested this week, warning against a “crackdown” on media freedoms in the war-torn country. Ahmed Sanussi, chief editor of Libyan financial news website Sada who has long covered corruption in the hydrocarbon-rich country, was arrested in his Tripoli home after returning from Tunisia, his family said. The UN Support Mission in Libya (UNSMIL) said it was “deeply concerned about the arbitrary arrest and detention of journalist Ahmed Sanussi on July 11 in Tripoli”. In a message on social …