Manila, Feb. 20 -- A member of the 11-man House prosecution panel on Thursday asserted the legitimacy, constitutionality, and compliance with due process of the impeachment complaint against Vice President Sara Duterte amid legal challenges.

In a television interview, Batangas Rep. Gerville Luistro dismissed claims that the verification process was flawed, emphasizing that the complaint was properly signed and affirmed by 215 members of the House of Representatives.

Luistro also noted that Congress has the authority to set its own rules on impeachment.

"First, ang sabi po nila (they said), we did not follow the rules on verification. It is clear in our Constitution that Congress shall promulgate its own rules on impeachment... And to b...