Four dead in mass shooting across the US

Four people have died in three mass shooting across the US this weekend.
Three people were killed in what officials have a called a racially motivated attack at a Dollar General store in Jackdonvike, Florida.
A teenager and at least two other people were injured when a shooting tookplace at a football game in Oklahoma that sent plyers and officials scrambling off the field and caused panicked spectators to hunker down in the stands on Friday.