A 48-year-old man has died after he was Tasered by police.
Officers were called to a home in Telford, Shropshire, at around 1.30am on Monday amid concerns "for the safety of an individual", and a Taser was used.
The man was given medical treatment but died around 90 minutes later, West Mercia Police said.
The force put a statement on its website which read: "West Mercia Police can confirm that officers responded to a report for the concern for the safety of an individual at approximately 1.30am this morning at an address in Telford.
"Upon arrival Taser was deployed and a 48-year-old man, who subsequently received medical attention, was pronounced dead at approximately 3am.
"West Mercia Police are unable to comment any further as the incident has been referred to the Independent Police Complaints Commission (IPCC) as is normal procedure, and will assist the IPCC with their inquiries."