The police say a sheriff shot District Judge Kevin Mullins inside the courthouse on Thursday afternoon before turning himself in.

Mr. Robinson, the Republican nominee for governor of North Carolina, vowed to stay in the race and sought to deny the report, which also said he had defended slavery in online posts years ago.

In a hidden-camera video posted by a conservative podcaster, Dr. Jay K. Varma boasts about flouting the public health guidelines he insisted others follow.