Confirming the incident, Traffic Commandant Samuel Kimaru told Capital FM News among the injured, 10 were in a critical condition.
“Among the 13, three were from the truck and were burnt beyond recognition while the rest were from the bus,” he confirmed.
He said both the bus and the truck drivers died on the spot.
He said those wounded are now receiving treatment at Sultan Hamud Hospital.
Kimaru also said preliminary reports show the driver could have slept but said investigations are still ongoing.
“The bus driver who unfortunately had also died during the accident was either asleep or something else was wrong with him,” he stated.
The accident has occurred as the Traffic commandant continues with a countrywide campaign on road safety.