3 European interior ministers visit attack site in Tunisia (13 images)

(L to R ) French Interior Minister Bernard Cazeneuve, German Interior Minister Thomas de Maiziere, Tunisian Interior minister Mohamed Najem Gharsalli and British Home Secretary Theresa May lay flowers as they pay their respects in front of a makeshift memorial at the beachside of the Imperial Marhaba resort, which was attacked three days ago by an (ISIS) gunman in Sousse, Tunisia, June 29, 2015.The Islamic State (ISIS) group claimed responsibility for the massacre on June 27 in a deadly beach resort attack that killed nearly 40 people, most of them British tourists. Photo by Khaled Nasraoui/UPI

A hooded Tunisian police officer stands guard as (R to L) British Home Secretary Theresa May, Tunisian Interior minister Mohamed Najem Gharsalli, German Interior Minister Thomas de Maiziere, and French Interior Minister Bernard Cazeneuve lay flowers on the site of a shooting attack on the beach in front of the Riu Imperial Marhaba Hotel in Port el Kantaoui, on the outskirts of Sousse south of the capital Tunis, on June 29, 2015. The Islamic State (ISIS) group claimed responsibility on June 27 for the massacre in the seaside resort that killed nearly 40 people, most of them British tourists, in the worst attack in the country's recent history. Photo by Khaled Nasraoui/UPI

Tunisian soldiers stands guard on the beach at the Riu Imperial Marhaba Hotel in Port el Kantaoui, in Sousse south of the capital Tunis, on June 29, 2015.The Islamic State (ISIS) group claimed responsibility for the massacre on June 27 in a deadly beach resort attack that killed nearly 40 people, most of them British tourists. Photo by Khaled Nasraoui/UPI

Tourists pay their respects in front of a makeshift memorial at the beach near the Imperial Marhaba resort, which was attacked by a gunman in Sousse, Tunisia, June 29, 2015.The Islamic State (ISIS) group claimed responsibility for the massacre on June 27 in a deadly beach resort attack that killed nearly 40 people, most of them British tourists. Photo by Khaled Nasraoui/UPI