Simon Chase, who was one of the two Britons killed in a suicide bomb and gun attack in Kabul yesterday, was "well-known and well-respected" in the local community.
Mayor of Limavady Gerry Mullan, who extended his condolences to Mr Chase's family, said:
"There is cloud that has descended upon the local community who are very shocked and saddened by his loss," said the SDLP councillor.
"He was a well-known and well-respected figure in the community."
More top news
England manager Sam Allardyce says it was an easy decision to keep Wayne Rooney on as captain.
Four-year-olds Rosie and Ruby Formosa were conjoined at birth and given a slim chance of survival.
Thomas Jackson died a week after being stabbed as he tried to save fellow Brit Mia Ayliffe-Chung as she was attacked in Australia.