Police have come under attack in a third night of disturbances in Belfast.
Officers were pelted with fireworks and bricks in the Carlisle Circus area in the north of the city.
Riots around the same location over recent nights have left more than 60 officers injured.
Police Service of Northern Ireland Assistant Chief Constable Will Kerr said: "Northern Ireland cannot afford an 11th hour solution."
The senior officer expressed fears that lives could be lost if the issue is not resolved.
More top news
The cousin-in-law of Mexican footballer Alan Pulido - kidnapped and rescued over the weekend - is suspected of playing a role.
Thousands of US-backed troops in Syria are launching an attack to capture a crucial swathe of northern Syria from Islamic State.
A father who forced his pregnant 14-year-old daughter to marry a 24-year-old family friend who raped her has been jailed.