HORROR unfolded at a secondary school after paramedics were called out to treat up to 15 pupils who collapsed after having vaccinations.

Between ten and 15 Year 10 students keeled over after having a meningitis jab at Northampton School for Boys yesterday. One boy was taken to A&E as a “precaution”.

One parent, whose son saw the drama unfold, told how children were seen “on their backs on the floor with their legs up on chairs”.

“The rest of the jabs were cancelled and a letter was sent home to the parents of pupils who had been given the jabs about what to do if they felt nauseous.

“Rumours say there may have been a duff batch of vaccines.”

A letter was sent home to parents of pupils who had been injected, all of whom were later said to be “well”, warning them to seek medical advice if their son began to feel ill.

In the note, the school said it is not known what caused the pupils to fall ill but said the vaccine was withdrawn as a “precaution”.