A man has died after collapsing at a PureGym branch in east London.
Emergency services rushed to the scene in Ilford following reports of an incident at 8.40am on Thursday.
Paramedics administered CPR but the man was pronounced dead at 9.26am.
His death is being treated as “unexpected”, police said.
The gym, part of a chain with more than 320 across the UK, was closed for the rest of the day.
A spokesperson for the Metropolitan Police said: "Police were called by London Ambulance Service at 8.40am on Thursday, January 12, to reports of a man collapsed at a gymnasium at High Road, Ilford.
"The public, officers and medics administered CPR but sadly, despite their efforts, the man died at the scene at 9.26am.
"Enquiries are underway to notify the man’s next of kin.
"The death is being treated as unexpected and enquiries will be made concerning the circumstances."
A PureGym spokesperson said: “We can confirm that very sadly a member died at our PureGym Ilford club this morning.
“The gym team assisted the member and the Police and London Ambulance Service attended, but unfortunately despite their best efforts, he passed away.
“We extend our sincere condolences to his family and friends.”