A Tunisian security official told Reuters that the coastguard had recovered a body as they continue to search for those missing.
In recent months, dozens of people have drowned off the Tunisian coast, with an increase in the frequency of attempted crossings from Tunisia and Libya towards Italy.
Hundreds of thousands of people have made the perilous Mediterranean crossing in recent years.
Figures from the UN High Commissioner for Refugees (UNHCR) showed that more than 123,000 migrants arrived in Italy in 2021, compared to more than 95,000 in 2020.
