At the Wakeda Campground in Hampton Falls, New Hampshire, up to 2,000 people will celebrate the holiday weekend.
A man and woman were arrested Tuesday after barricading themselves inside an apartment building, the state police said.
Six people were injured when a horse drawn hayride got out of control in Hampton Falls. One of the victims who owns the horses is in critical condition.
Police in New Hampshire said there were six people injured following an accident at an apple orchard on Sunday.