A mason died after falling from the sixth floor of a building under construction in Kilimani area, Nairobi.
According to a police report,Charles Mutuku Muema, 45, was busy at work when he slid and fell on his head.
The incident happened at about 5 pm within Wilma Court along Elgeyo Marakwet Road in Kilimani.
The construction exercise was stopped on a temporary basis as investigators work at the site.
Elsewhere, in Tassia estate, five tenants escaped death when a six-storey building which was under construction collapsed.
Meanwhile, an electrician was electrocuted in a house he was working in at Pipeline area, Nairobi.
Police said Clarence Khavesi, 24, was on the rooftop of an apartment throwing internet cable to the adjacent building when it accidentally came into contact with a live power line.
He was rushed to Mama Lucy Kibaki hospital where he was pronounced dead on arrival.
In a separate incident at Mareba in Embakasi, a police officer was seriously injured in an electrocution incident.
The officer identified as Alex Kirigia of Lunga Lunga police station was admitted at Coptic Hospital by the public while unconscious and later transferred to Nairobi South Hospital where he is undergoing treatment in stable condition.
Police who visited the scene said the officer was electrocuted by live naked wires while on duty in the area.