July 7 (Reuters) - Business executive Dominic Hadeed and his wife Genevieve filed an appeal on Tuesday against their detention over an alleged plot to assassinate top members of the Trinidadian government, including Prime Minister Kamla Persad-Bissessar. Hadeed, who owns the Trinidad and Tobago-based Blue Waters bottled water supplier, is accused of conspiring to assassinate the prime minister, attorney general and other members of government.