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An investigation was underway after a homeowner shot and killed another man who was attempting to force his way into the resident’s home in Ontario, authorities said.

The incident was reported about 5:15 a.m. in the 800 block of West Mission Boulevard, according to a statement from the Ontario Police Department.

The caller told dispatchers her husband shot a man who had tried to break in through the front door, the news release said.

The shooting occurred after a brief struggle between the male homeowner and the would-be burglar, said police Officer Jorge Ramirez.

Officers arrived to find a 26-year-old man deceased in the entryway of the residence, police said. The name of the suspect, a Los Angeles resident, was not immediately released pending notification of family.

The shooter was not taken into custody, Ramirez said.

Anyone with information about the incident was asked to call Detective Robert Marquez of the Ontario Police Department at 909-395-2777. Tips may also be submitted anonymously by calling 800-78-CRIME or online at