Overview

• A 70-year-old American tourist went missing on Mathraki island, last seen with two women who have since left the country.
• Retired LA County deputy Albert Calibet disappeared during a hike on Amorgos island; extensive searches have been unsuccessful.
• A 74-year-old Dutch tourist was found dead on Samos island after hiking alone in searing heat.
• British TV presenter Michael Mosley was found dead on Symi island after taking a wrong route on a hike.
• Officials emphasize the dangers of hiking in intense heat, with several tourists having died or gone missing recently.