A 25-year-old US Marine from Maryland has died following fast-rope training at Camp Schwab in Okinawa, Japan, with the cause of death currently under investigation.

TOKYO: A Marine died after a training exercise in Japan’s Okinawa, the US military said on Thursday.

Lance Cpl. Devin J. Hernandez, 25, of Maryland, was “participating in fast-rope training at Camp Schwab when he sustained injuries,” the 3rd Marine Division said in a statement.

Sebastian RiveraAponte, a spokesman for the division, confirmed earlier to AFP that a Marine died on Tuesday following training at the camp.