Roundup: Many students sent to hospital after collapsing

The incident which led to about 40 pupils fell ill in a school in Ripon, northern England, has been brought to a safe conclusion, local police confirmed Wednesday evening.

North Yorkshire Police said in a statement that emergency services could confirm that the incident has been brought to a safe conclusion and nothing untoward was found.

"Investigations have been carried out by the specialist detection, identification and monitoring (DIM) team from West Yorkshire Fire and Rescue Service along with the specialist hazardous material officers from North Yorkshire Fire and Rescue Service and no hazardous chemicals or gasses have been found within the school," a spokeswoman from the North Yorkshire Fire and Rescue Service said.

"Fire service crew have deemed the academy safe and have now left the scene," she added.

Nick Hunter, Superintendent at North Yorkshire Police said the case was nothing serious.

Mike Shanahan, Head of Special Operations at Yorkshire Ambulance Service NHS Trust, said that patients being treated on scene has been able to return to homes.

"The safety of our students is always the most important thing for us to consider in these circumstances and we were happy to follow the emergency services direction whilst they established that no students were at risk," said Michael Wilkins, Academy Principal & Chief Executive of Outwood Grange Academies Trust.

The school also said that it would be open as normal on Thursday.

Up to 40 pupils at the Outwood Academy School in Ripon, North Yorkshire have received treatment after showing signs of sickness and feeling faint on Wednesday morning.

A number of students collapsed during an assembly to mark Armistice Day, were believed because of a "ripple effect" of hysteria-based nausea and faintness, according to local media reports.

A pupil said a boy who fell "was a bit concussed and had a big lump on his head".

Fire officer said the hall where the assembly held was over-warm leading some children to become overwhelmed.

Two pupils have been sent to local hospital or a local medical facility for treatment, local police confirmed earlier.

"We are aware of two pupils who have attended hospital or a local medical facility. The rest treated at the scene by ambulance staff," North Yorkshire Police said on its official website.

Among those two, one was reported suffering a minor injuries unit.

The incident occurred between 11 and 11: 30 a.m. at the Outwood Academy School on Clotherholme Road in Ripon, a cathedral city in northern England.

The school has 635 students, aged from 11 to 18. Endit