Scotland Yard said both parties were known to each other.
A murder investigation is underway after a woman was found dead hours before a man died falling from a height a few miles away.
Police were first called to a block of flats on Elephant Road in Elephant & Castle shortly before 4pm on Thursday amid reports of a disturbance.
They found a 27-year-old woman with serious injuries who was declared dead at the scene.
Later that evening, at 8.43pm, officers were called to New Change, near St Paul’s Cathedral in the City of London – about a 15-minute drive away – to reports that a man had fallen from height.
Despite the efforts of passers-by and medics, the man, 31, died there at the scene.
The families of both have been informed.
Scotland Yard said both parties were known to each other.
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Superintendent Rachael Walmsley, of the Met’s central south command, said: ‘My officers will be patrolling in the area as our specialist crime colleagues go about their inquiries – if you have concerns please don’t hesitate to approach them.
‘My thoughts are with all those affected by this tragic incident.’
Detective Inspector Mike Nolan, of the Met’s specialist crime command, said: ‘We know that local people will be shocked by this incident, and while we are at the very early stages of our investigation, I would like to reassure the community that we don’t believe that any other persons are outstanding in connection with this tragic sequence of events.
‘I am keen to hear from anyone who has information relating to this investigation who has not yet spoken with police, and I thank local residents for their patience and co-operation as my team go about their enquiries.’
Anyone with information should call police on 101 quoting 4548/6APR.
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