New Delhi, May 11 -- The former head of the Philippine National Police force will be summoned as part of a new investigation into alleged extrajudicial killings during anti-drug crackdowns ordered by ex-President Rodrigo Duterte, Interior Secretary Juanito Victor Remulla Jr. said Sunday.

Ronald dela Rosa, who is now a senator, will be summoned on Monday, Remulla said.

The thousands of killings of mostly impoverished drug suspects took place when Duterte was mayor of the southern city of Davao and after he became president in 2016. The killings during police raids alarmed human rights groups and Western governments led by the United States.

Duterte, 81, was arrested in March 2025 and taken to the Netherlands, where he is facing trial at...