Police were called to the reports of a number of youths with knives around Canons Park Underground station around 4.19pm yesterday (March 11).
Officers responded and a male was arrested on suspicion of assaulting an emergency worker.
A Met Police spokesperperson said: “Police were called at 16:19hrs on Tuesday, 11 March to reports of a number of youths believed to be in possession of knives in the vicinity of Canons Park Underground Station.
“Officers and the National Police Air Service attended.
“One male has been arrested on suspicion of assaulting an emergency worker. Enquiries continue.”