Within those 48 hours, Congress, in a joint session, can revoke or uphold the martial law declaration. Speaker Pantaleon Alvarez of Davao del Norte agreed with the President’s decision putting the entire Mindanao island under martial law. We need to take action to address this, and the President has the power to declare martial law,” Alvarez said. “The PDP-Laban supports the decision of its party chairman, President Duterte, to declare martial law over the entire island of Mindanao. This may mean that martial law could extend much longer than intended.

Source: Manila Times May 24, 2017 10:52 UTC