SINGAPORE – A 43-year-old woman was arrested on Dec 25 after graffiti was found scribbled on the walls and some parked vehicles at The Salvation Army’s premises in Bukit Timah earlier in the morning.

Once upon a time, artist JR was just another teenage rebel with a spray can, tagging trains in his native Paris. Not big, not clever, but nevertheless a confluence of interests at the start of an ...