1. Fire ravaged the Cathedral of Notre-Dame.

Thousands of people watched in shock from the banks of the Seine, and many more were riveted to television screens, as flames tore through the beloved medieval landmark’s wooden roof. Its iconic spire collapsed.

Gray smoke filled the Paris sky into the night as firefighters struggled to contain the blaze, which officials said had begun in the attic. Here’s the latest.

No cause was identified as of this writing, nor any injuries. The cathedral had been undergoing extensive renovations, including work on the spire.