Racism fears spark city to nix gunshot detection tech days after crazed gunman opened fire in streets

Concerns over racism prompted the Cambridge, Massachusetts, city council to vote to end its contract with the company that provides ShotSpotter technology, which detects gunshots and alerts police in real time, on Monday night.

The move came just a week after suspected gunman Tyler Brown, 46, was accused by police of randomly opening fire, shooting 50 to 60 rounds into traffic on Memorial Drive in Cambridge, injuring two.

The incident was caught on video and quickly went viral. Brown...