A dozen men’s lacrosse players at Tufts University were diagnosed with a rare, life-threatening muscle injury after a training session Monday. Multiple players at the university in Medford, Massachusetts were diagnosed with rhabdomyolysis,

After nine men’s lacrosse players were hospitalized with serious medical conditions following a workout led by a recent Navy SEAL graduate, Tufts University says they’re appointing an independent investigator to figure out what happened.