Protests at a US university have been “infiltrated by professional organisers” as campaigns continued at campuses across the country. Massachusetts State Police said that they helped cleared out a protest encampment at Northeastern University in Boston. Officers said that 102 protesters who refused to leave were arrested and will be charged with trespassing. Northeastern University said in a statement on social media that it decided to call in police due to people not affiliated with the school attending on site. A spokesperson said the protests had been: “Infiltrated by professional organiser…