Defense attacks Matibag's credibility as witness, shows opinion pieces on VP Sara Duterte | GMA News

Watch the LIVE coverage of the impeachment trial of Vice President Sara Duterte with The Vice President on Trial: GMA News Special Coverage. Stay tuned for comprehensive, real-time updates on the 8th day of the impeachment trial, where proceedings are expected to continue with the appearance of National Bureau of Investigation (NBI) Director Melvin Matibag as a witness. Stream the special coverage, July 21, 2026 via GTV and the official GMA News digital platforms. #VPOnTrial #VPSaraDuterImpeachment #SaraDuterteImpeachmentTrial #ImpeachmentTrialDay8 #SenatePH #SenateofthePhilippines #GMANewsLive #GMANews #Duterte #SaraDuterte #Impeachment #VPSara #VPSaraDuterte Watch the latest news stories from GMA Network's trusted news programs on the GMA Play app. Download now on Google Play and App Store. Also available on GMANetwork.com/GMAPlay and Android TVs! GMA Network promotes healthy debate and conversation online. Any abusive language that does not facilitate productive discourse will be blocked from this post. For more updates, visit this link:    • 24 Oras and 24 Oras Weekend Express [HD]   For live updates and highlights, click here:    • GMA News Highlights   Breaking news and stories from the Philippines and abroad: GMA News Portal: http://www.gmanews.tv YouTube:    / @gmanews   Facebook:   / gmanews   TikTok:   / gmanews   Twitter:   / gmanews   Instagram:   / gmanews   GMA Network Kapuso programs on GMA Pinoy TV: https://gmapinoytv.com/subscribe