BOSTON — A box truck was seen racing down a busy Boston street moments before it crashed and toppled over on a sidewalk in front of a restaurant, injuring six people during the lunchtime rush on Tuesday.

A truck in Boston’s Chinatown neighborhood hit multiple pedestrians, sending four of them to the hospital. Police say it appears to be accidental.

A box truck crash on a busy downtown Boston avenue injured at least six people Tuesday and left the rental vehicle wedged sideways against a building in what the police commissioner called a “tragic accident.