Technical issue at Nats resolved but flights to and from UK airports still disrupted; oil prices hit $100 a barrel for first time since July Oil prices rise above $100 a barrel for first time since July as Iran war escalates In total, more 1,900 flights had been cancelled by 5am today, according to the aviation analytics company Cirium, since yesterday’s system issue at National Air Traffic Services. Nats provides air traffic control services to 15 UK airports. While the technical problem has be