When Louis arrived at
Sorgues six miles from the city, an Avignonese magistrate greeted him and ceded him the city of
Beaucaire across the river from Avignon, which belonged to Raymond VII, but which the count had mortgaged to Avignon to finance his resistance. In exchange, Louis paid Raymond's debt. The Avignonese also asked for absolution from their excommunication and requested that the
papal legate, Cardinal
Romanus of Sant'Angelo, enter the city with the other bishops and Louis accompanied by only 100 knights to lift the ban and receive the oaths of the Avignonese. These terms were accepted and the magistrate left behind hostages as a guarantee of good faith. According to
Philippe Mousket, the 50 hostages given by the city turned out to be poor men passed off as the sons of the bourgeoisie. At Sorgues, the crusading army was spread out over four miles of riverbank. Louis reached Avignon on 7 June. At this point there seems to have been some confusion. To prevent the army from trying to use the stone bridge, the citizens built a wooden (possibly pontoon) bridge outside the city, which Louis's vanguard crossed without incident. The king, for reasons of prestige, refused to use it and demanded the fulfillment of the agreement. When the contingent under Lord
Walter II of Avesnes reached the makeshift bridge, after having marched under the walls of the city with banners flying, it was attacked by a party from the city. Several crusaders were killed and several captured. The rest crossed the bridge to safety. The reasons for the Avignonese attack are unknown, but all the French sources and the papal legate's report agree that the Avignonese were the instigators. According to one rumour popular at the time, the Avignonese intended to kill Louis and the papal legate while they were passing through the city. This, however, is inconsistent with the voluntary handing over of Beaucaire and may be dismissed as a mere rumour. The sole contemporary source to blame Louis for the break with Avignon is
Roger of Wendover, who accuses the king of planning all along to attack the city. When Louis demanded the city abide by its agreement, the consuls accused him of having violated it himself. It is possible that Walter of Avesnes's movements were mistaken for the preparation of an assault. Avignon blocked the Rhône and withheld the provisions that Louis had purchased without refunding him his money. The legate sent some
Dominicans into Avignon to demand compliance with the agreement, but to no avail. Louis VIII had no desire to fight at Avignon, but if the city had successfully defied him it would have emboldened his enemies. After further negotiations, the consuls agreed to allow Louis and a small party alone to enter and cross the stone bridge. When Louis sent a party to the gates, however, they were barred. On 9 June, in a letter to Avignon's suzerain, the Emperor
Frederick II, the French barons cited this incident, as well as the city's failure to supply the agreed upon number of hostages of suitable rank, as justification for his siege. Louis swore not to pull up camp until the city had yielded, whereupon Romanus pronounced the citizens heretics and protectors of heretics. ==Siege==