SAN JUAN (Puerto Rico), Aug 8: A U.S. air force cargo plane crashed on a mountaintop in Puerto Rico during a storm, killing all 10 people on board, a military spokesman said on Thursday.

The C-130 prop-driven airplane left the Roosevelt Roads naval station in eastern Puerto Rico on a routine training mission and crashed on Wednesday night near Caguas, 24kms south of San Juan, said a spokesman in Puerto Rico for the US military.—Reuters