Alva Review-Courier -

NEW YORK (AP) — A safe haven where drug users inject themselves with heroin and other drugs has been quietly operating in the United States for the past three years, a report reveals.

None were known to exist in the U.S. until the disclosure in a medical journal, although several states and cities are pushing to establish these so-called supervised injection sites where users can shoot up under the care of trained staff who can treat an overdose if necessary.

In the report released Tuesday, two researchers said they've been evaluating an underground safe place that opened in 2014. As a conditi...