Senator Ronald Dela Rosa has defended the killing of a 3-year-old during a sting operation, saying families of suspected drug pushers sometimes make up stories.
"We are living in an imperfect world," he told reporters on Thursday, stressing that "collateral damage" was inevitable in police operations.
Three-year-old Myka Ulpina died after being caught in crossfire during an anti-narcotics operation in Rizal on June 30.
Human rights activists say more than 20,000 have died in President Rodrigo Duterte's controversial 'war on drugs' and urged the international community to do more to prevent the bloodshed.

Trump vows to blockade Strait of Hormuz after Iran peace talks stumble
Nigerian airstrike hits market, 200 feared dead
Russia, Ukraine trade accusations of ceasefire violations
At least 30 dead in stampede at Haiti’s historic Laferriere Citadel
Cyclone lashes New Zealand's North Island, hundreds evacuated
