Notre Dame Cathedral is engulfed in flames!!!

Paris France.
A tragic situation is occurring as the Notre Dame Cathedral in Paris France is on fire!!  Firefighting crews are fighting the blaze but have cleared much of the area to try and keep people safe.  No cause for the fire is immediately known however renovations have been ongoing at the site.  Every minute brings great loss to this site which was started to be built in 1163.  Prayers are with everyone fighting the blaze.   UPDATE: Part of the cathedral has now collapsed.