A man believed to have been involved in a murder-suicide has died, Peel police reported Saturday.

Angel De Los Santos, 60, died in hospital Friday evening, police say.

He was found Thursday morning suffering from life-threatening injuries inside a condominium in the Hurontario Street and Trailwood Drive area of Mississauga.

His wife, 51-year-old Del Carmen Villaman De Los Santos, was also found inside the apartment but with vital signs absent.

An autopsy showed she had been strangled to death.

Homicide detectives are asking anyone with information to call them at 905-453-2121 ext. 3205.