Discovery's "Storm Chasers" stars Tim Samaras and Carl Young and Samaras's son, Paul, were killed during an Oklahoma storm, the network said Sunday.
"We are deeply saddened by the loss of Tim Samaras his son Paul and their colleague Carl Young. Our thoughts and prayers go out to their families," the network said in a statement.
The trio were killed while chasing a tornado in the city of El Reno on Friday, according to CNN. Samaras was 55 and his son was 24 years old. Samaras' partner Young was 45.