By the time I'm creating this announcement, Pro-Duterte supporters has gathered in protest of the arrest of Bato dela Rosa.
(Frontline Pilipinas, TV5 Network.)
Bato De la Rosa has escaped the senate building.
Confirmation from Sen. President Alan Peter Cayetano:
https://newsinfo.inquirer.net/2228852/cayetano-confirms-dela-rosa-no-longer-in-senate
More:
https://newsinfo.inquirer.net/2228658/palace-confirms-bato-dela-rosa-has-left-senate-premises