The incident reportedly occurred at Belgrade Baptist Church in Kirbyville, Texas, a town about 130 miles northeast of Houston.
KBMT-TV reports a woman claimed her 34-year old brother, Curtis Paul Jones of Bon Wier, "was shot at least three times around 11am Sunday morning as he entered the church."
The woman added that the shooter is an uncle and the pastor of Belgrade Baptist.
The Newton County Sheriff has charged the pastor with murder, according to KFDM-TV.
This is a breaking news story. Updates will be added.