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A Millcreek drug suspect, who fatally shot a police dog last week before himself suffering at least one gunshot wound, died on Monday, police reported.

David Shane Anderson, suspected of shooting and killing UPD K9 Aldo, died at a hospital from his injuries at 3 p.m. Monday, Unified Police Lt. Lex Bell said in a news release

An autopsy will be conducted to try to determine the exact circumstances surrounding of the 36-year-old man's death, Bell said.

It has remained unclear whether Anderson was shot by UPD officers, three of whom had returned fire, or by his own hand, during the five-hour SWAT stand-off.

UPD officers were attempting to serve an arrest warrant on Anderson about 11:30 p.m. Wednesday at 4303 S. 730 East, when their K-9, "Aldo," was shot. The dog died a short time later.

After shooting the dog, Anderson barricaded himself inside a closet in the residence as officers backed out, and then refused demands to surrender for the next five hours.

SWAT officers finally entered the home in a haze of tear gas and took Anderson into custody about 5:30 a.m. on Thursday.

UPD said the warrant officers were attempting to serve was connected to an alleged assault on a police officer the week before, after which Anderson allegedly sped away from the scene.

Utah court records also show he was also wanted on a $25,000 warrant for failing to appear in 3rd District Court for an April 4 scheduling hearing on second-degree felony charges of possession of heroin and methamphetamine with intent to distribute, as well as a $2,500 warrant for class A misdemeanor possession of heroin.

Aldo, 7, had served UPD as a dual purpose patrol and narcotics dog for the past five years.

The shooting was being independently investigated by the West Valley City Police Department on UPD's behalf. The three officers involved in the exchange of gunfire were placed on administrative leave.