PM concerned protest 'denied democracy'

Malcolm Turnbull will never be convinced parliament's public galleries should be closed, even after dozens of protesters forced a temporary shutdown of question time.

While he wasn't worried about his personal safety, the prime minister was concerned the protesters had managed to interrupt parliament, "denying democracy".

"Incidents like this are regrettable and they will happen from time to time but people should not feel they are free to interfere with the parliament," he told the Seven Network on Thursday.