The Irishman killed in Mozambique has been named as William Deasy.
The 32-year-old, who was originally from Dublin Pike, Kilcully, Cork city, had been working for the Irish engineering and construction company Kentz.
Mr Deasy did not die in a workplace accident and there are unconfirmed reports that he was shot.
A spokeswoman for Kentz confirmed that an employee had been killed in Mozambique.
In a statement, the company said the man's family had been informed and they were in close contact with them.
The company said it is deeply saddened by the tragedy and expressed sincere condolences to the family, relatives and friends of their deceased team member.
A spokesperson for the Department of Foreign Affairs said it was offering assistance to the family.
The Irish Ambassador in the capital Maputo is liaising with Mr Deasy's employer.
Local police authorities are carrying out a full investigation into his death.