A Milford man has been arrested and charged with possession of child pornography in the first degree.

Milford police arrested Robert Costello, 58, of Berwyn Street on a warrant Aug. 25.

According to police, the department was notified in January that a device that Costello owned was flagged as having downloaded child pornography.

A search warrant was executed in April, leading to the arrest warrant, police said.

Costello was held in police custody on $75,000 bond.