 Nonetheless, minor incidents of violence erupted when the protesters entered the Pan-Green leaning regions of southern Taiwan.On 10 October 2006, ROC (Taiwan)'s National Day, the protesters returned to Ketagalan Avenue for another "Besiege the Presidential Office" demonstration (, a play on the phrase “天下為公“) without first seeking demonstration permits from the police.Chen was heckled by opposition legislators of the Pan-Blue Coalition during a state ceremony attended by foreign dignitaries.