Pastor's daughter, 14, among 26 killed in Texas church shooting

The daughter of a Baptist church pastor has been confirmed as one of26 worshippers who were killed when a gunman opened fire during a service in Texas on Sunday morning.

The worshippers were gunned down at First Baptist Church in Sutherland Springs, a small rural community about 50 kilometres southeast of San Antonio.

The gunman was killed after a short chase but it remains unclear whether he died from a police bullet or by his own hands.

First Baptist Church Pastor Frank Pomeroy told ABC News that he was not at the church on Sunday morning when the shooting took place.

His youngest daughter, Annabelle, 14, was there.

Anabelle Pomeroy has been identified as one the victims in the Texas church shooting. Source: Facebook

First Baptist Church Pastor Frank Pomeroy was not at the church on Sunday morning but his daughter was.

He described her as a “very beautiful, special child.”

Sheriff Joe Tackitt told the Wilson County News that there have been multiple injuries and fatalities, including children but the official death toll remains unclear at this point.

The Wilson County Texas Sheriff's Office declined to provide further details on the shooting.

About 860 people live in the Sutherland Springs area in 2010, according to the U.S. Census.

It's been confirmed that 26 people were killed in the shooting. Source: AAP

A gunman has opened fire at a church in the US. Source: AAP

Agents of the Federal Bureau of Investigation, the US Bureau of Alcohol, Tobacco, Firearms and Explosives and other law enforcement agencies were either on the scene or travelling there.

President Donald Trump said he was monitoring the situation while in Japan on a 12-day Asian trip.