(This is a copy of what I live blogged. For a backgrounder see my entry Martial Law konfrontasi.)
Ricky Carandang reports quorums exist and joint session will begin shortly. Expected to last until 9 PM with continuation tomorrow. Each chamber will have 10 hours alloted for questioning; administration officials will testify as "resource persons."
Both maces in their stands, signifying session has begun.
Kabataan Party List Tweets "opening prayer asks for discernment, wisdom on whether or not to revoke martial law, justice for victims of Ampatuan massacre."
UP Law Dean Leonen on ANC expresses opinion House members may actually display some independence because it's an election year. He expects administration officials to supplement President's report with "new evidence" of rebellion. ANC Alerts Twitter account reports Leonen's opinion: Rebellion case vs. Ampatuans to continue even if Congress revokes martial law in Maguindanao.