A Christmas lights switch on in the US was cancelled after a gunman opened fire on the crowd, leaving four people injured. Distressing footage shows families running in fear People were watching a band at a Christmas light switch on when gunshots were heard (Image: FACEBOOK)

Four individuals have been rushed to hospital after a gunman opened fire during a city's festive Christmas lights switch-on ceremony in the US.

The celebration in Concord, North Carolina last night (November 21) was immediately called off when the alleged shooter struck last night as families had gathered for the occasion.

Harrowing footage circulating online captures terrified families fleeing in panic moments after the gunfire erupted in the city's main square.

Local resident Marquis Jenkins, who

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