Officers took part in Operation Advance last week. Officers took part in Operation Advance last week. POLICE arrested 26 people and seized thousands of pounds of drugs and counterfeit goods during a day-long operation across the city. A Multi-Agency Road Safety Operation (MARSO) was held at the Gallagher Retail Park, checking vehicles for safety and licensing, as well as giving out advice to drivers. “Thanks to all the officers involved, we were able to make a real impact during Operation Advance.