A Filipino senator who oversaw former president Rodrigo Duterte's deadly war on drugs has taken refuge inside the country's Senate, hours before the International Criminal Court unsealed a warrant for his arrest.

Dela Rosa was pictured fleeing into the Senate on Monday as officers chased after him. He narrowly escaped and was placed under protective custody.

Police later said they would not arrest him while he was in custody of the Senate.

Dela Rosa is accused of the killing of at least 32 people between 2016 and 2018, as an "indirect co-perpetrator" in Duterte's anti-drugs campaign, in which thousands of alleged drug dealers were shot and killed.

Former President Duterte has been in ICC custody in The Hague since his arrest in March 2025.