P120 CEEFAX 120 Mon 4 Apr 18:17/05     HOME NEWS   IN BRIEF  POWER National Grid has entered into a £50 million joint venture with Powergrid of India to build a new high voltage system in India. ACCIDENT Four children who absconded from a children's home are in hospital, two with serious injuries, after an accident involving a stolen car and another vehicle near Mansfield in Notts. INJURY Police are questioning an 18-year-old man about a fairground attack in Bristol in which Marlon Thomas, 18, was seriously injured.  ] Home 110 Politics 130 World 160 Summary 102 Dispatch 190 Index 199 Politics Home News Dispatch TV/Radio