A woman in her 80s has been stabbed to death in southeast London, police have said.
Police were called to reports of a man with a knife at Red Lion Place, Plumstread, at 8.50am.
Emergency crews found the woman with serious injuries and she was taken to hospital where she died.
Another man was also threatened with a knife but was not hurt, the Metropolitan Police said.
A man in his 60s attended a police station at 9.10am and he was arrested on suspicion of murder.
He was taken to hospital by officers, where he is receiving treatment for non-life-threatening injuries.
It is believed the suspect and the woman who died were known to each other – officers are not looking for any further suspects.
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