Members of the US Federal Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) unit, summoned by the President of the Republic, Nikos Christodoulides, to assist in the investigation and assessment of the management of the recent devastating fires in the mountainous area of Limassol, are expected to arrive in Cyprus on Wednesday evening and will begin work on Thursday, Deputy Government Spokesperson, Yiannis Antoniou, has told CNA.