A fire set at a Tesla electric vehicle charging station in eastern Massachusetts was believed to have been set intentionally, according to investigators.

Seven Tesla charging stations have been set on fire near Boston in an apparent arson incident, marking the latest in a string of global attacks and protests against the company’s owner, Elon Musk. Police were called to The Point Shopping Center in Littleton,

Upon arrival, firefighters saw seven chargers with heavy fire damage. After the Littleton Electric Light & Water Department cut power to the devices, they quickly extinguished the fire and notified the State Police Fire Investigation Unit assigned to the State Fire Marshal’s office.