Belsunce is a district near Canebière, central Marseille. Its name was given by Monseigneur Henri François Xavier de Belsunce de Castelmoron, who famously helped during the Great Plague of Marseille. From Wikipedia
A 25-year-old man was killed in the Belsunce neighborhood near Marseille's Old Port, with police arresting a Libyan national as investigations into the drug-related violence continue.