A Briton killed in the massacre at the Bataclan concert hall in Paris was Nick Alexander, who was selling merchandise at the venue.
In a statement his family said he was "everyone's best friend" and died "doing the job he loved".
"It is with huge sorrow that we can confirm that our beloved Nick lost his life at the Bataclan last night," the statement said.
"Nick was not just our brother, son and uncle, he was everyone's best friend - generous, funny and fiercely loyal.
"Nick died doing the job he loved and we take great comfort in knowing how much he was cherished by his friends around the world. Thank you for your thoughts and respect for our family at this difficult time. Peace and light."