A tenth suspect has been arrested in relation to the murder of soldier Lee Rigby in Woolwich on 22 May.
The suspect, a 50-year-old man, was arrested in the south-east London suburb of Welling, just a few miles from where Rigby was killed.
The man was arrested in Upper Wickham Lane, on suspicion of conspiracy to commit murder.
Police have also revealed that officers are searching another address in south-east London as the investigation into Rigby's death continues.
Earlier, officers confirmed that three men arrested earlier in the investigation have been bailed.
The three men, aged 21, 24 and 28, had also been arrested on suspicion of conspiracy to commit murder. They have been bailed to return to a south London police station.
Officers continue to question the 22-year-old man arrested in Highbury Grove on Sunday 26 May.
The two men arrested on suspicion of murder, Michael Adebolajo and Michael Adebowale, remain under arrest in hospital.