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
More than 50 dog surfers of all breeds and sizes joined an annual dog surfing competition in California
A painting by artist LS Lowry is to go on show to the public for the first time.
A third of Olympic and world championships medals have been won by athletes with allegedly suspicious doping test results, report claims