Officers from the Underwater and Confined Space Search Team are attempting to remove the body of an adult from an ornamental well in a garden in Surrey.
Police said the process is likely to take some time as the positioning of the body in the four-foot deep well presents a number of logistical challenges".
Seven men were arrested on suspicion of murder this afternoon and are still being questioned by police.
More top news
A video of a white police officer shooting dead a black teenager has been released by authorities in Chicago.
Cold in the wind
The working poor and elderly fear they will be clobbered when the Chancellor announces his Autumn Statement tomorrow, Penny Marshall writes.