18-year-old suspect arrested for alleged murder of elderly man in Leigh, Greater Manchester; initial non-suspicious injuries led to death on July 3.

18-year-old suspect arrested for alleged murder of elderly man in Leigh, Greater Manchester; initial injuries deemed non-suspicious, but later led to death on July 3. Police launched murder investigation, with concerns over initial response prompting further enquiries from GMP's Professional Standards Directorate. Detective Chief Inspector Andrew Naismith appeals for public information.