French President Emmanuel Macron is hosting Paris firefighters who saved Notre Dame Cathedral from collapse. <br />''<br />''Later, Paris City Hall will hold a ceremony in the fire fighters' honour, with a concert, two giant banners and readings from Victor Hugo's "The Hunchback of Notre Dame." <br />''<br />''More than 400 fire fighters took part in the nine-hour battle to save the 12th-century Notre Dame on Monday. Among those being honoured is Paris fire brigade chaplain Jean-Marc Fournier, who helped salvage the crown of thorns believed to have been worn by Jesus.<br />''<br />''<span style="color: #222222;">Investigators so far believe the fire was accidental, and are questioning both cathedral staff and workers who were carrying out renovations when the fire broke out.</span><br />