As NATO protesters marched by the hundreds to Chicago Mayor Rahm Emanuel’s house, three others were in court Saturday facing terrorism charges for allegedly planning to bomb the mayor’s residence, police stations and Obama’s campaign headquarters during the upcoming summit.

While the delegates from the treaty organization began to arrive and security tightened around the city for Sunday’s kickoff, three men who had been arrested in a raid Wednesday appeared before a Cook County judge, charged with conspiracy to commit terrorism, possession of an explosive device and providing material support for terrorism.