One person died and eleven got serious injuries when the building they were working on collapsed at Vihiga County Referral Hospital.
Confirming the incident, the area County Police Commander Benjamin Ongombe said the incident happened after a heavy downpour and two people were trapped in the debris.
He said locals managed to rescue one worker from the debris and the other succumbed to severe injuries.
Those with injuries are recuperating at Vihiga Referral Hospital adding that workers have been working at the site for a while now.
The police boss said they have launched an investigation into the incident.