The son of a Cape Breton woman injured last week in a propane explosion caused by sliding snow says his mother has died.

Craig Orychock says his 73-year-old mother, Glenda Orychock, died Sunday in a Halifax hospital after she suffered serious burns in the explosion Friday evening at the Silver Birch Manor seniors residence in Sydney, N.S.

Orychock says snow fell from the roof of the residence onto propane tank lines outside his mother's apartment. He says the leaking gas somehow ignited — creatin…