A 27‑year‑old man has died in police custody after becoming unresponsive during an arrest in Melbourne’s north.

Officers were called to a home on Discovery Close in Craigieburn about 2.55pm on Friday following reports the man was behaving erratically.

Police say the Craigieburn man was taken into custody but became unresponsive shortly after. Paramedics treated him at the scene before rushing him to hospital in a critical condition, where he later died.

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The death is now being treated as a death in police custody, triggering an investigation.

Homicide Squad detectives will lead the inquiry, with oversight from Professional Standards Command — the standard process whenever someone dies after being detained by police.

The exact circumstances surrounding the man’s arrest and medical episode remain unclear.

Anyone with information is urged to contact police.