A World War Two explosive device taken into a Devon primary school for 'show and tell' had to be detonated by a military bomb squad.
The shell was believed to be deactivated when it was shown to the pupil's classmates, aged between 9 and 10, at Kingsacre Primary School in Braunton on January 16.
But after concerns were raised the following day about whether it might still be live, Devon and Cornwall Police called the Royal Navy's bomb disposal unit - who decided to detonate it.
Headteacher Claire Cole said the school was now reviewing its "procedures for show and tell" in light of the incident.
It was the pupil's grandfather who questioned if the device might still be live, after it had been taken into the school.
He transported it in the boot of his car to Barnstaple police station on January 17, where the alarm was raised.
A spokesperson for Devon and Cornwall Police confirmed the shell was brought to Barnstaple police station and later disposed of.
Royal Navy spokesperson Peter Wooldridge praised the family for handing the device over to the police.