Arthur Simpson-Kent has been arrested at Heathrow Airport on suspicion of the murders of EastEnders actress Sian Blake and her two young children in Erith.
Detectives from the homicide and major crime command made the arrest this morning (February 12) after Simpon-Kent arrived in the UK on a flight from Ghana.
He is currently in police custody at a west London police station.
Simpson-Kent was arrested in Ghana on January 9 after Sian, 43 - who played Frankie Pierre in EastEnders in the 90s - Zachary, eight, and Amon, four, were found buried in the back garden of the family's home in Pembroke Road on January 5.
Left to right: Zachary, mum Sian and Amon
They had all died from head and neck injuries.
The 48-year-old hairdresser waived his extradition rights and agreed to be brought back to the UK, in a court hearing in the country's capital, Accra, on January 26.
Miss Blake and her sons were reported missing on December 16 - three weeks before their bodies were found.
Mr Simpson-Kent was pictured arriving in Ghana three days later, following a visit from Metropolitan Police officers.
He was later arrested in remote cove on a Ghanain beach, where he had reportedly been surviving off coconuts and sleeping in a makeshift bed.
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