A collapsed classroom killed seven children and injured a further 57 in Kenya’s capital Nairobi early this Monday morning, a government spokesman said.

“There have been 57 students that have been taken to hospital for treatment, and we can also confirm that there have been seven fatalities,” said Cyrus Oguna, Kenya’s government spokesman.

Local television showed pictures of Red Cross workers sifting through the wreckage at Precious Talent School, and carrying white bodybags into an ambulance.

Most of the pupils rushed to Kenya’s main hospital are being treated for minor injuries and will soon be discharged.

The school’s director, Moses Ndirangu, has blamed the collapse on the construction of a nearby sewer pipe which he says may have weakened the foundation of the building.

The Kenyan government has opened an investigation into the cause of the accident.