A murder investigation is under way after a six-month-old boy died when he went into cardiac arrest.
Police were called to Walnut Close, Bilston, West Midlands, shortly before 14:00 BST on Sunday 12 June.
The boy was taken to hospital but died a short time later.
A 24-year-old man and 23-year-old woman arrested on suspicion of murder have been bailed, West Midlands Police said. A post-mortem examination is under way to determine the cause of death.
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