A man stabbed to death at a gym run by Idris Elba's kickboxing trainer has been named.

George Barker was found slumped outside the Double K Gym in Stable Lane, Bexley, south east London on Monday night.

A post-mortem found the 24-year-old from South Darenth, Kent died from stab wounds to the chest and abdomen.

Actor Idris Elba trained at the gym where George Barker was stabbed. Credit: PA

No arrests have been made.

The gym is run by Kieran Keddle who coached actor Elba ahead of a professional fight in Thailand last month.

Anyone with information is asked to call Met Police on 0208 345 3985, 101 or Crimestoppers anonymously on 0800 555 111.