43 missing off Tunisia after migrant boat sinks: Red Crescent
The vessel had set off from Libya's coast, he added, citing the accounts of survivors.
The Tunisian navy rescued "84 illegal migrants of various nationalities" including from Bangladesh, Chad, Egypt, Eritrea and Sudan, the defence ministry said.
The survivors picked up off Zarzis were aged between three and 40, the ministry said, without giving any number for those missing.
It said that the boat had departed the port of Zuwara, in northwestern Libya during the night between Monday and Tuesday.