Two of the victims are Italians employed by their country's intelligence services. One of the dead is an Israeli citizen in his "fifties" and a "former member of the security forces" The 16-meter-long vessel overturned Sunday night off Lisanza, at the southern end of the lake.

The president of the Lombardy region, Attilio Fontana, had deplored Sunday evening a "very serious incident" caused by a "whirlwind". About two dozen surviving passengers were rescued by other boats nearby or were able to swim to shore.