Police in Northern Ireland deployed water cannons in Antrim after being targeted with projectiles by groups of young, masked men. Simultaneously, reports emerged from Derry/Londonderry of items being set alight on Ardmore Road, indicating escalating unrest. Authorities have not yet disclosed the cause of the disturbances or made any arrests. The incidents occurred amidst ongoing tensions related to post-Brexit arrangements and loyalist concerns. Police are investigating both events and appealing for calm. The use of water cannons represents a significant escalation in the police response to recent public order offenses. Further details regarding injuries, if any, and the extent of the damage are currently unavailable.