A TRAILER was dumped on school playing fields and set alight at the weekend. Firefighters from St Albans were called to the scene behind London Colney JMI School, just after midnight on Saturday morning. The vehicle trailer was badly damaged in the fire,

A TRAILER was dumped on school playing fields and set alight at the weekend.

Firefighters from St Albans were called to the scene behind London Colney JMI School, just after midnight on Saturday morning.

The vehicle trailer was badly damaged in the fire, which is being treated as deliberate.