JNA artillery and the Yugoslav Navy resumed the bombardment of Dubrovnik between 9 and 12 November, targeting the Old Town, Gruž, Lapad and Ploče, as well as the Belvedere, Excelsior, Babin Kuk, Tirena, Imperial and Argentina hotels. Wire-guided missiles were used to attack boats in the Old Town harbour, while some larger ships at the port of Gružincluding the ferryboat "Adriatic" and the American-owned sailing ship "Pelagic", were set ablaze and destroyed by gunfire. Fort Imperial was attacked by the JNA on 9, 10 and 13 November. These attacks were followed by a lull which lasted until the end of November when the European Union Monitoring Mission (ECMM) mediated in negotiations between the JNA and Croatian authorities in Dubrovnik. The ECMM was withdrawn in mid-November after its personnel were attacked by the JNA, and the mediation was taken over by French State Secretary for Humanitarian Affairs Bernard Kouchner and UNICEF Mission Chief Stephan Di Mistura. The negotiations produced ceasefire agreements on 19 November and 5 December, but neither yielded any specific results on the ground. Instead, the JNA 2nd Corps units located in Dubrovačko Primorje, north-west of Dubrovnik, closed in on the city, reaching the farthest point of their advance on 24 November, as the city defences were pushed back to Sustjepan–Srđ–Belvedere Hotel line. That day, the JNA tried to establish the Dubrovnik Republic in the area it occupied, but the attempt ultimately failed.