The Sunday shooting at a church service in the Fort Worth Suburb of White Settlement was the latest attack on a house of worship in the US.

Police have detained a suspect. However, it is yet to be ascertained if the suspect had any involvement with the shooting.

The attack happened in the city of Halle at about 12 p.m. (local time) on Wednesday.

The shooter eventually ditched his car, hijacked a US Postal Service vehicle and continued to open fire, traffic officials said. Two law enforcement officers were injured.

A man opened fire with an assault rifle at a Walmart in Texas on Saturday, killing 20 people, just four days after a disgruntled employee shot dead two coworkers and wounded a responding police officer at one of the massive chain's stores in Mississippi.

The deceased were identified as Chandrasekhar Sunkara, 44; Lavanya Sunkara, 41; and two boys, ages 15 and 10, reported CNN.

According to sources, the members of one group were returning to their homes after offering Eid prayers, when assailants from another group attacked them.

The woman identified as Nigeena Bano was killed by unidentified gunmen on Wednesday in Pulwama district.

Police confirmed the shooter, identified by NBC Charlotte as a 22-year-old history student at the campus, was in custody.

'Unidentified armed individuals have attacked the Protestant church in Silgadji, killing four members of the congregation and the main pastor,' a security source told AFP.