Madison Square Garden is criticizing NYPD security restrictions planned for Wednesday's NBA Finals game against San Antonio.

The new security plan requires tickets or authorization for entry starting at 4 p.m. and includes screening for all visitors.

The dispute comes after 21 people were arrested at a watch party that turned violent and destructive.

AI-generated summary was reviewed by a CNN editor.

The New York Knicks and San Antonio Spurs are locked in a fierce battle around Game 4 of the NBA championships. So are Madison Square Garden and city officials.