The Chairman, Medical Guild, Dr Sa’eid Ahmad, has said findings by the investigative panel on the cause of death of Dr Diaso Vwaere revealed that the malfunctioned elevator was installed by a contractor who did not have elevator system certification. Ahmad, who made the revelation during a news conference to give an update on the probe of the circumstances that led to Vwaere’s death, said the elevator failed to work during its inauguration in June 2021.