"This programme contains scenes which some viewers may find disturbing." "DOG BARKS" "HELICOPTER ROTOR WHIRRS" "SIRENS WAIL" "HE BREATHES HEAVILY" "HE GASPS" "KNOCK AT DOOR" "Eurgh!" "DOORBELL RINGS" "DOORBELL RINGS" "RATTLING AND BANGING" "KNOCK AT DOOR" "MOBILE RINGS" "Subtitles for the deaf and hard of hearing by Red Bee Media Ltd"