SCOTTSDALE, Ariz. — The Latest on an attack and subsequent death in Scottsdale (all times local):

3:45 p.m.

Scottsdale police are releasing more information about a 55-year-old man who attacked both his parents before dying at a hospital.

They say Lee Edward Knowlton used a stun gun on his father and hit both of his parents while attacking them before he was stricken while being arrested and subsequently died at a hospital.

Police say police found drug paraphernalia in Knowlton’s possession and that the Maricopa County Medical Examiner’s Office will determine cause of death.

Knowlton died early Tuesday at a hospital where he was taken after he stopped breathing while being handcuffed Monday evening.

Officers had responded to a domestic violence call from Knowlton’s mother at a senior living community.

The parents also were hospitalized. They are reported to still be in stable condition.

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11:40 a.m.

Scottsdale police say a 55-year-old man used a stun gun on his father and hit both of his parents while attacking them before he was stricken while being arrested and subsequently died at a hospital.

Sgt. Ben Hoster says police found drug paraphernalia in Lee Edward Knowlton’s possession and that the Maricopa County Medical Examiner’s Office will determine cause of death.

Hoster says the son died early Tuesday morning at a hospital where he was taken after he stopped breathing while being handcuffed Monday evening as officers responded to a domestic violence call from Knowlton’s mother at a senior living community.

The parents also were hospitalized. They were reported in stable condition.

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8:35 a.m.

Scottsdale police say a man has died after he assaulted his elderly parents.

Sgt. Ben Hoster says the son died early Tuesday morning at a hospital where he was taken after he stopped breathing while being handcuffed Monday evening as officers responded to a domestic violence call.

Hoster says the man’s mother had called police and they encountered her outside her apartment at a senior living community.

According to Hoster, the woman appeared to have been beaten and she told officers her son had attacked her and her husband.

Hoster says officers then found the man and his father inside on the floor and covered in blood.

Identities and the man’s cause of death weren’t released.

The parents also were hospitalized. They were reported in stable condition.