The family of a Mississippi high school football player who died after being forced to practice in 103-degree heat is now suing the school district

• High school football player Trey Laster collapsed and died while practicing in 103-degree heat.
• A new lawsuit says Laster's football coaches made him run sprints even after he vomited.
• Laster's school district had just received heat stroke training when he died, the complaint says.

The parents of a Mississippi high school football player are suing his school district after he died when coaches made him sprint in extreme heat conditions.