Police are investigating after a boy fell seriously ill in Crawley in the early hours of Friday morning (October 9).
Officers attended Byrd Road shortly before 00.30am after concerns were raised for the welfare of a 12-year-old boy who had collapsed.
The boy was taken to hospital in a serious condition. He remains in hospital in a stable condition.
Enquiries are ongoing to establish the full circumstances of what happened, and to identify if any offences have been committed.
Police are currently awaiting the results of tests to determine what may have caused the boy to collapse. Anyone with any information is asked to contact police online or by calling 101 quoting serial 23 of 09/10