A major investigation's been launched into claims a man was seen shooting up in front of Luas passengers.
A witness says she saw him drop his trousers so he could inject into his groin.
There are calls for city chiefs to follow the lead of Former New York Mayor Rudi Giuliani, and take a zero tolerance approach to drug use.
But Richard Guiney from Dublin City BID was on a recent trip to New York City, and he says its actually all about "assertive outreach"
