( CNN ) -- Denver District Attorney Mitch Morrissey said Thursday that three Occupy Denver activists have been charged with felonies -- including inciting a riot and second-degree assault on an officer . While Occupy Wall Street protests began in New York two months ago , the movement has spread to several other cities -- as have reports of activists clashing with police . Some of the most high-profile incidents have taken place in Denver , including two tied to the filing of felony charges . A pair of men who were arrested on Sunday were charged with felonies . The previous night , police in riot gear arrested 17 people as they cleared furniture and tents from an Occupy encampment near the city 's civic center , police spokesman Sonny Jackson told CNN . The main issue , he said , was that the items were blocking a right of way . On Sunday afternoon , two police officers were injured when protesters became upset when police began removing a food table from a park . Some of the protesters surrounded a police car . One woman then pushed a Denver police officer , according to an earlier Denver police statement . She and a male who came to her aid were arrested . The district attorney 's office announced Thursday that a 28-year-old man has been charged with two felony counts of inciting a riot and one misdemeanor count of obstruction for allegedly blocking a police car and and telling others to riot . He has two other cases pending from two different dates in October -- unlawful conduct on public property and unlawful sexual contact -- according to the press release . Another 30-year-old man was charged with a felony count of second-degree assault on a police officer -- as well as misdemeanor charges of obstruction , resisting arrest and engaging in a riot -- from the same day . The district attorney claimed this man grabbed a law enforcement officer from behind and tried to hit him and wrestle him to the ground . A third man , who is 26 years old , also was charged with second-degree assault of a police officer . That charge stems from an October 29 incident in which the man allegedly tried to use a stick to hit an officer who was trying to arrest him . That day , demonstrators tried to occupy the Colorado Capitol -- which is not allowed -- and officers pushed them back , police spokesman Matt Murray said at the time . Pepper spray and pepper-ball guns were used against demonstrators . The man charged , Sean Drigger , told CNN affiliate KUSA soon after the incident , `` All we 're trying to do is have a peaceful protest and ( the police ) are attacking us . '' CNN 's Marlena Baldacci contributed to this report .
Denver 's district attorney says 3 will face felony charges related to 2 incidents . The charges including inciting a riot and assaulting a police officer . One had accused police of `` attacking us '' during demonstrations .