Story highlights
NEW: Tunisians turn out in a show of unity outside the hotel
Tunisian authorities say of 38 people killed, most were Europeans
Tunisia identifies the gunman as a 24-year-old from a nearby region
NEW: Tunisians turn out in a show of unity outside the hotel
Tunisian authorities say of 38 people killed, most were Europeans
Tunisia identifies the gunman as a 24-year-old from a nearby region