Three people have been arrested after an incident at the Dunedin courthouse. 

A man is alleged to have barricaded himself with others in a room this afternoon. 

A police spokesman said the trio were arrested for trespassing about 2.40pm, after refusing to leave the room when asked. 

A man put into a police van following an incident at Dunedin's courthouse. PHOTO GERARD O'BRIEN

A man put into a police van following an incident at Dunedin’s courthouse. PHOTO GERARD O’BRIEN