PC Joanne Steel was on duty when emergency services were called to Victory Road.
The jury heard that as she made her way to the property, she described her colleagues at the scene, as sounding 'frantic'.
She said it was apparent something was wrong.
The jury heard that when PC Joanne Steel arrived at the scene, a senior colleague asked to keep an eye on 'that man' and stay with him.She explained 'that man' was Mick Philpott.
PC Steel said Mick Philpott seemed very upset and anxious and said he was 'pacing'. She described Mairead as hysterical, very distressed and shocked.