Concord: Four people were shot and injured Friday evening during a Christmas tree lighting event in North Carolina, authorities said. Three of the victims were in critical condition, and one is in stable condition after the shooting in Concord.

According to Philippines News Agency, it was unclear whether the police had identified suspects or a motive. 'Police are reviewing footage from the event and speaking with multiple witnesses,' the statement said. Images and footage posted online show crowds of people fleeing and a street filled with emergency response vehicles.

The city's website stated that the event, promoted as the 28th annual tree-lighting ceremony, was set to include appearances by Santa and Mrs. Claus, food trucks, a showing of The Grinch, and a fireworks display.