No title - Winners of 'Help the Police' competition off to Canada.

M/S Heathrow Airport. Police cars drive towards terminal building. M/S terminal building. M/S police cars lined up. C/U's showing flashing light. C/U young boy sitting in police car. M/S police cars parked. M/S another boy in police car. M/S as policewoman helps young girl get out of car. M/S young boy getting out of police car. M/S the four children walking in group with police constable and policewoman. They are, left to right; Elizabeth Gue, 12 years old; Elizabeth Purkiss, 11 years; Nigel Wooley, 8; and David Chessover, 13. C/U as they prepare to board BOAC plane, pan across as they go up steps and wave.