A hooded Tunisian police officer patrols  ahead of the visit of top security officials of Britain, France, Germany and Belgium at the scene of Friday's shooting attack in front of the Imperial Marhaba hotel in the Mediterranean resort of Sousse, Tunisa, Monday, June 29, 2015. The top security officials of Britain, France, Germany and Belgium are paying homage to the people killed in the terrorist attack on Friday. (AP Photo/Abdeljalil Bounhar)