8. The Regional Trial Court issued warrants of arrest against Mayor Leroy for charges of tax evasion and graft and corruption. Mayor Leroy secretly left the country and sought refuge in Essex Republic. The Philippines requested from Essex Republic the surrender of Mayor Leroy pursuant to their extradition treaty. The Essex Republic conducted judicial investigation and established prima facie case against Mayor Leroy. The Essex Republic, through its court, issued a warrant of surrender. Mayor Leroy questioned the legality of the warrant of surrender and argued that it violated the right of non-refoulement. Is the warrant of surrender valid? Explain.