During a press conference, Prime Minister James Marape acknowledged that “police were not at work yesterday”.
The unrest followed a peaceful demonstration by police, defence, and other public servants at Parliament House on Wednesday.
The aftermath of the violence also left local business owners facing extensive repair bills.
As the National Security Advisory Committee and the National Security Council meet to discuss recommendations, Mr Marape pledged to announce certain measures and explore state of emergency arrangements for the city and urban areas.
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