10/16/2013 05:05 EDT | Updated 01/23/2014 06:58 EST

Calgary police search for man suspected in double stabbing; one woman dead

CALGARY - Police in Calgary have issued a warrant for the estranged husband of a woman who was stabbed to death and found on a southeast neighbourhood street.

Another woman was taken to hospital with serious, potentially life-threatening injuries.

James Allan Christians, who is 65, is wanted for second-degree murder, aggravated assault and possession of a weapon.

Police say he may be driving a 2013 grey GMC pickup truck with Alberta licence plate JRA305.

The victim has been identified as 55-year-old Carmel Leah Christians.

Police say they had dealt with the couple before and a protection order was in place.