Detectives investigating the murder of soldier Lee Rigby today arrested a 50-year-old man on suspicion of conspiracy to murder.
The suspect was arrested in Upper Wickham Lane, Welling, south east London, Scotland Yard said. An address is also being searched in south east London.
The arrest is the tenth officers have made over the murder of Drummer Lee Rigby, 25, who was hacked to death in the street by Islamic extremists last week.