Worshipers flocked to the church after the stabbing. Police car windows were kicked in and projectiles were thrown at authorities trying to help the wounded.
A 52-year-old man attended Fairfield Police Station about 12.45pm on Wednesday, where he was placed under arrest.
He has been charged with riot and assault police officer during public disorder no aggravated bodily harm.
About 2.15pm, a 31-year-old man also attended Fairfield Police Station where he was placed under arrest and charged with riot and throw missile at police officer at public disorder no aggravated bodily harm.
Both men were refused bail and will appear at Parramatta Local Court today.
At least seven men have been charged over the violence outside the church.