Nov 9 (Reuters) - BHP Billiton (L:BLT) Ltd BHP.AX :
* Update - incident at samarco BHP.AX
* Says number of people in the communities impacted by the incident is yet to be confirmed
* Says at this time, there is no confirmation of the causes of the tailings release
* Says fundão dam failed and the downstream santarém dam has been affected
* Details are still emerging in relation to the samarco employees and contractors impacted by the incident
* Local authorities have reported that, at this stage there are at least 15 people from the communities unaccounted for
* Says following this incident, BHP billiton's iron ore production guidance for the 2016 financial year is under review
* Says samarco has advised that there is at least one confirmed fatality with a further 13 members of the workforce missing
* Says details are still emerging in relation to the samarco employees and contractors impacted by the incident
* Says the third dam in the complex, the germano dam, is being monitored by samarco
* Says BHP Billiton CEO, Andrew Mackenzie, will visit the incident site this week
* Withincomplex, the fundão dam failed and the downstream santarém dam has been affected
* Source text for Eikon ID:nASX4MCnSF