A British man has been arrested in Spain on suspicion of murdering his mother.
Sean Heiss, 28, was arrested on Friday in San Sebastian by officers executing a European Arrest Warrant.
His mother, Margaret Sheehy was found dead in her flat on Springfield Road in Kingston on June 12.
Ms Sheehy, 58, was known as Margot and worked for the software solutions provider Intelliflo.
A post-mortem examination gave her cause of death as asphyxiation.
A Metropolitan Police spokesman said: "On Friday 22 June a 28-year-old man was arrested on a European Arrest Warrant in San Sebastian, Spain, in connection with the murder of Margaret Sheehy in Kingston on 12 June.
"The extradition process will continue in due course with the man appearing in court in Spain."
Ms Sheehy's ex-partner Edwin Heiss told the Evening Standard he met her in Marbella and they were together for three years before splitting up and the last time they spoke was in 1997.
He told the newspaper: "It is sad, so sad.
"For some reason, call it love, call it the right moment at the right place, yes, we were in love; and through time we became strangers to each other.
"I am very much sad about this, the final loss, but little is what I can do."