I was in Paris on the night it happened - Friday 13th November - having dinner with a few Magnum colleagues close to the Grand Palais, where I’d spent a long and enjoyable day at the annual Paris Photo fair. One by one we began to receive anxious messages from home asking if we were safe. Piecing together what conflicting reports there were, and realising something serious was happening just a couple of miles away, we left the restaurant and made our way to the nearest Metro station. Further news flashes declared “two cars carrying several gunmen” were still at large.

Safely back at our hotel...