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Bomb threat at all girls' school in Nottingham sparks evacuation | Daily Star THREAT: Calls were made threatening to detonate explosives just as pupils arrived for school

Pupils and staff at Nottingham Girls' High School were ordered to leave their classrooms after the threat was made by phone.

Bomb disposal experts raced to the scene and immediately set up a cordon.

The threat was made just as pupils had arrived for class at the school in Forest Road East.

Police guarded the entrance as the school was checked for explosives.

A School in Nottingham has been evacuated due to bomb threat. wtf?

— ✨Ed✨ (@E_WlLL) February 4, 2016

Teachers were later given the all clear.

Detectives now believe the call one of a string of hoax threats which have hit schools up and down the country.

Construction worker James Shenton, 39, told the Nottingham Post: "Alarms started going off and we were told to get out of the building.

"We were told there was a bomb threat.

"We didn't really know what was happening, but we were told to stay outside."

A Nottinghamshire Police spokesman said they "did not take any chances" with the incident and added: "There have been a number of incidents regarding calls to schools over the country over the past few weeks."

The girls have now returned to class after the threat.