At least 15 migrants died off Tunisian coast and border amid tensions over arrivals

At least 15 migrants were found dead off Tunisia's coast and border with Algeria this week.
Tensions rose in the Tunisian port city of Sfax after migrants were accused in a local man's death.
Hundredreds of migrants were expelled to the dangerous Libyan and Algerian borders.
More Tunisians and Africans in Tunisia are attempting the journey to Europe due to economic struggles.
European leaders will meet with Tunisia's president to discuss aid on Sunday.