Manila, April 11 -- Senate President Francis "Chiz" Escudero on Friday urged Senator Imee Marcos to stop using the Senate for "personal political objectives" after she condemned his decision to block the arrest of a diplomat who allegedly lied during a probe into the apprehension of former president Rodrigo Duterte.

Escudero voided an arrest and detention order issued by Marcos, chair of the Senate Committee on Foreign Relations, against Special Envoy on Transnational Crime, Ambassador Markus Lacanilao.

Escudero said the order lacked due process and was released without his required approval - a procedural rule under Senate guidelines.

"I will not allow the Senate nor the Office of the Senate President to be used to further petty parti...