A shooting took place in Thornton, Colorado, on Christmas Day killing two people. Police later confirmed the incident as a murder-suicide

A husband fatally shot his wife then turned the gun on himself at a Jehovah’s Witness place of worship, police said. Authorities said that both the victim and the shooter were former members of the Kingdom Hall congregation.

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“An adult female was shot and killed by an adult male, who then shot and killed himself,” authorities said in a statement.

“The investigation is still active, witnesses being interviewed, scene being examined,” Thornton police said on Twitter. “Still no known threats to the Thornton community.”

The Adams County Sheriff’s Office Hazardous Material Unit is investigating “suspicious devices” that were found at the scene. The identities of the deceased is yet to be released.

Luis Sanchez, a witness who lives across the street from the hall, told The Denver Post that he heard two gunshots. He then saw a woman lying on the ground outside. 

“It’s very sad,” Sanchez told the local newspaper. “It’s Christmas.”

A heavy police presence could be seen at the scene since morning on Sunday.

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“The investigation is still active, witnesses being interviewed, scene being examined,” Thornton police tweeted. 

Fox News reported that the suspect had thrown a type of explosive known as a molotov cocktail into the building. There were also reports that explosions occurred at the scene, following which fire services headed to the area.