Primary school pupils have been solving crime and coping with emergency calls.
A police control room has been set up at Dashwood School, Banbury, and nine and ten-year-olds from the school have been taking part in the five-day exercise.
They are following up a computerised programme of incidents and working alongside police officers.
Pc Larry Johnson said: "It's a testing time for the youngsters. They have to use their initiative and imagination, work as a team, sort out crime and accidents, and write up the reports."
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