Autopsy of a female brought dead to the casualty was performed. No specific signs were seen. On external examination, only a mark on the chin was seen as shorvn below and on internal examination. following appearance was seen. What is the likely cause of death?

On external examination, a single abrasion is seen, likely due to assailant's fingers grasping the neck. Bruising of the neck is seen as well. On internal examination, we can see contused tissues of the neck with bleeding from strap muscles. All these features are suggestive of throttling. Hanging can be ruled out in absence of ligature mark