P625 Central 625 Fri 9 Sip 02:49:31  CENTRAL PREVIEWS FOR    Blues and Twos 20.30 This new seven-part series takes us inside Britain's emergency services to re6eal the courage and skill of the dedicated professionals who answer the nation's 999 calls. In 999 Stay on the Line paramedics Brenda Blood and Maurice Foster of the Derbyshire Ambulance Service are called to help a teenage boy struck by a dart. Also in the line of duty they must help a woman who has fallen from an upstairs window. NICAM Stereo 888 Subtitles CentralToday Subtitles Films Next page