Sarnia Police Service officials allege: At approximately 11:58 p.m., on March 13, 2020, Sarnia Police were dispatched regarding a female in medical distress in the 100 block of North Palmerston Street.
Officers arrived on scene at approximately 12:01 a.m., on March 14, 2020, to find a 29-year-old female with life threatening injuries that was immediately transported to hospital by paramedics.
The 29-year-old female was later pronounced dead at the hospital from the injuries she had sustained.
The death is now deemed a homicide.
The 29-year-old has been identified as Sarah Marie Thwaites, of Sarnia.
Sarnia Police will remain on scene, for the next several days, as this investigation continues.
If anyone has any information that may assist in this investigation they are please asked to call 519-344-8861, extension 5300, or Sarnia Lambton Crime Stoppers at 1-800-222-8477.