Denver Mayor Mike Johnston vetoed an expanded needle exchange program just one day after the city council passed the ordinance.

Denver Mayor Mike Johnston vetoes bill to expand the needle exchange program just one day after the city council approved the ordinance.

Denver Mayor Mike Johnston on Tuesday vetoed a new law to expand access to needle exchanges, one day after the measure was passed by the City Council. Johnston described the ordinance as “the wrong solution at the wrong time” in a letter to the City Council released by his office Tuesday night.

Just as he steps into office, Walsh's stance sets up a potential clash with the city council's progressive bloc on one of the most controversial topics in the city.