Peruvian player struck by lightning

A Peruvian player, Joao Contreras, 21, suffered in hospital after being struck by lightning during a match between Sport Aguila and Union Fuerza Mineira. 

He suffered burns to his legs, while some others like the linesman and another man were hurt. 
He was struck down in a puff of smoke, a few seconds before the start of second half. 
See video below