The police filed five criminal charges at an environmental demonstration against the massive expansion plans of US electric car maker Tesla near Berlin on Sunday, held days after saboteurs cut the power supply to the plant and surrounding area. More than 1,000 people attended the rally organized by “Tesla den Hahn Abdrehen,” which translates as “Turn off Tesla’s Tap.” The security authorities took action against three people for wearing masks at the “Tesla No Thanks” demonstration, a police spokesman said in the evening. One person was said to have shown the banned Hitler salute to a group of …