Charles Coles, the second Virginia high school...

Charles Coles, the second Virginia high school football player to die this fall, experienced cardiac arrest within minutes of collapsing on the field during a playoff game at Dumphries, Va., a rescue squad official said.

Coles, 16, a wide receiver and safety for Potomac High School, collapsed Saturday in the first half of his team’s 14-7 loss to Thomas Edison High School in the AAA state semifinal.