Allyson McConnell drowned her two young sons in a bathtub and left them in the water to "rot"

Australian mother Allyson McConnell drowned her two young sons in a bathtub and left them in the water to "rot", the boys' father has told a Canadian court.

Curtis McConnell wept on Tuesday as he recalled frantically searching the family's home in Millet, Alberta, in February 2010 after receiving a call from police that his wife had jumped off a freeway overpass in an apparent suicide bid.

Mr McConnell said he rushed to the home and searched the bedrooms for his sons, 10-month-old Jayden and two-year-old Connor, but could not find them.

He then discovered a locked bathroom, used a knife to unlock it and found the lifeless bodies in the bathtub.

"I just dropped to my knees and I reached into the water and the water was so cold ...," Mr McConnell testified, according to the Edmonton Journal. Read More