Armed police have been sent to a suspected brothel in south London after firearms were discovered inside and two men fled to the rooftop.
Scotland Yard officers were executing a warrant at the address in Clapham at around 7am on Saturday when the men climbed on to the roof of the property.
The pair were detained and taken to south London police stations, the Metropolitan police said.
After a search, two firearms and £20,000 in cash were found, prompting armed officers to be called out. There have been no shots fired and no reported injuries.
A police helicopter was dispatched and roads including Clapham High Street were closed but reopened again by 10am.