Tensions rise over masks as virus grips smaller US cities

Arguments over mask requirements and other restrictions have turned ugly in recent days as the deadly coronavirus surge across the US engulfs small and medium-size cities that once seemed safely removed from the outbreak.
In Boise, Idaho, public health officials about to vote on a four-county mask mandate abruptly ended a meeting on Tuesday evening because of fears for their safety amid anti-mask protests outside the building and at some of their homes.