Lawyers representing the operators of superyacht the Equanimity have questioned if the US Federal Bureau of Investigation (FBI) had properly executed the warrant to "arrest" the vessel, which was seized by the bureau and Indonesian authorities late last month.

In a court filing yesterday that was sighted by Malaysiakini, the firm represented by Naeun Rim said the US Department of Justice (DOJ) and the FBI had "not established that it effectively executed and served the arrest warrant and process"...