Merrimack is a town in Hillsborough County, New Hampshire, United States. The population was 26,632 as of the 2020 census. There are four villages in the town: Merrimack Village, Thorntons Ferry, Reeds Ferry, and South Merrimack. From Wikipedia
The group Palestine Action US claimed responsibility for the protest, which involved spray-painting the building, smashing windows, and locking an entrance.