Police have arrested the man who shot up a Brooklyn playground last week, killing one guy and wounded two others, authorities said Monday.

Damien Grimes Fuller, 18, allegedly opened fire at the Bushwick Playground on Knickerbocker Avenue near Madison Street at about 6:35 p.m. Thursday.

Fuller shot three people, including Hamler Cabrera-De Jesus, 21, who died after being rushed to Wyckoff Medical Center, police said.

The suspect was arrested Monday and charged with murder, criminal possession of a weapon and reckless endangerment.