Two cars crashed in Casino at the intersection of Barker and Diary Streets, Casino at about 5.30pm today, Sunday, October 15.
The Casino Rescue Squad was called after reports people were trapped.
When the crew arrived, they saw one car had substantial front end damage and the other car had rolled.
The people had got out of the cars and were being treated by paramedics.
Casino Fire and Rescue Brigade assisted at the crash site by containing fluid leaks from both cars.
NSW Police directed traffic and are investigating the crash.