Saline suspect at Stepping Hill Hospital 'may be on site'
Detectives say the person responsible for contaminating saline drips could still be at Stepping Hill Hospital in Stockport in Greater Manchester.
Officers believe insulin was deliberately injected into saline containers used in drips.
Three people have died in the past month, and a fourth is seriously ill. The BBC's Ed Thomas reports.
19 Jul 2011
- From the section UK