Andrew “Tekle” Sundberg was killed by police in the early hours of Thursday after an hours-long standoff at an apartment building in Minneapolis.

The incident unfolded after a mother with two young children called 911 to report someone had fired shots through the wall of their third-floor apartment. Snipers posted on the roof of a building across the street shot at him. 

It still remains unclear what exactly prompted the officers to shoot. The incident sparked protests across the state and several other parts of the US over the deadly use of police force. 

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According to investigators, Sundberg fired multiple gunshots inside the apartment building Wednesday night.

When police arrived at the scene, Sundberg isolated himself inside his unit. Officers spent hours trying to negotiate with him. Two snipers shot Sundberg, fatally wounding him. Later, he died at Hennepin Healthcare.

In a statement, his family said Sundberg struggled with his mental health.

“While we have received very little information thus far, by all accounts, it sounds like our Tekle was suffering from a mental health crisis. We send our deepest sympathies to anyone in his building impacted by his crisis, and we thank the community members who have come forward in loving memory of Tekle,” the family’s statement said. 

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A GoFundMe page set up for him described Sundberg as “a “brother, uncle, son, friend, talented artist, hilarious, energetic human.”

Sandberg’s death was the second fatal encounter involving Minneapolis police this year. On February 2, a SWAT team executing an early morning no-knock warrant shot 22-year-old Amir Locke as he stirred on a couch, holding a gun.

No officers were charged with Locke’s death.

Attorneys Ben Crump and Jeff Storm are representing Sundberg’s family.

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“No information has been provided as to why Tekle, who officers had isolated for hours, suddenly needed to be executed,” the attorneys said, according to CBS News. “We call on the Minneapolis Police Department to immediately provide the family with the video evidence and other information necessary to answer this question.”