Heart rate data from an Apple Watch is being used as key evidence in Australian murder trial.
Caroline Nilsson is accused of killing her mother-in-law Myrna Nilsson.
She claims her mother-in-law had been attacked and killed following a home invasion by a group of men angered in a road rage incident.
However prosecutors have just presented evidence they claim shows the crime scene and story was fake.
Social Media Presenter Aziz Al-Sa'afin wraps up the biggest trends of the day.
Watch the video.