Two former flatmates of a young couple who were allegedly strangled and then had their bodies burned have identified a man accused of the double murder as the person shown on CCTV footage of the entrance to the apartment.

A video image shows a man accused of strangling a student couple and later setting fire to their apartment with one of them in the apartment building on the day the prosecution alleges he strangled them, a witness has testified.

A housemate of a man accused of the double murder of a student couple has identified the accused in video footage outside the apartment on the date the State alleges the couple were murdered.